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+// All grammatical information is derived from Terence Wade's Comprehensive Russian Grammar
+
+//
+// VERBAL SUFFIXES
+//
+
+// PAST TENSE
+const pastSuffixInflections = [
+    suffixInflection('л', 'ть', ['v1a'], ['v']), // мужский род
+    suffixInflection('ло', 'ть', ['v1a'], ['v']), // средний род
+    suffixInflection('ла', 'ть', ['v1a'], ['v']), // женский род
+    suffixInflection('ли', 'ть', ['v1a'], ['v']), // многочисленный
+
+    suffixInflection('лся', 'ться', ['v1b'], ['v']), // мужский род
+    suffixInflection('лось', 'ться', ['v1b'], ['v']), // средний род
+    suffixInflection('лась', 'ться', ['v1b'], ['v']), // женский род
+    suffixInflection('лись', 'ться', ['v1b'], ['v']) // многочисленный
+];
+
+// PRESENT-FUTURE TENSE
+// (1) The first-conjugation ending (-е-)
+const presentSuffixInflections1 = [
+    suffixInflection('ю', 'ть', ['v1a'], ['v']), // первое лицо единственное число
+    suffixInflection('ешь', 'ть', ['v1a'], ['v']), // второе лицо единственное число
+    suffixInflection('ет', 'ть', ['v1a'], ['v']), // третье лицо единственное число
+    suffixInflection('ем', 'ть', ['v1a'], ['v']), // первое лицо множественное число
+    suffixInflection('ете', 'ть', ['v1a'], ['v']), // второе лицо множественное число
+    suffixInflection('ют', 'ть', ['v1a'], ['v']), // третье лицо множественное число
+
+    suffixInflection('юсь', 'ться', ['v1b'], ['v']), // возвратный залог
+    suffixInflection('ешься', 'ться', ['v1b'], ['v']), 
+    suffixInflection('ется', 'ться', ['v1b'], ['v']), 
+    suffixInflection('емся', 'ться', ['v1b'], ['v']), 
+    suffixInflection('етесь', 'ться', ['v1b'], ['v']), 
+    suffixInflection('ются', 'ться', ['v1b'], ['v'])    
+];
+
+// (1A) Vowel stem, special cases
+// (1Aa) verbs in ‐авáть: давать, compounds of it, verbs in -знавать, -ставать
+const presentSuffixInflections1Aa = [
+    suffixInflection('ю', 'вать', ['v1a'], ['v']),
+    suffixInflection('ёшь', 'вать', ['v1a'], ['v']),
+    suffixInflection('ёт', 'вать', ['v1a'], ['v']),
+    suffixInflection('ём', 'вать', ['v1a'], ['v']),
+    suffixInflection('ёте', 'вать', ['v1a'], ['v']),
+    suffixInflection('ют', 'вать', ['v1a'], ['v']),
+
+    suffixInflection('юсь', 'ваться', ['v1a'], ['v']),
+    suffixInflection('ёшься', 'ваться', ['v1a'], ['v']),
+    suffixInflection('ётся', 'ваться', ['v1a'], ['v']),
+    suffixInflection('ёмся', 'ваться', ['v1a'], ['v']),
+    suffixInflection('ётесь', 'ваться', ['v1a'], ['v']),
+    suffixInflection('ются', 'ваться', ['v1a'], ['v'])
+];
+
+// (1Ab) verbs in ‐овать with more than two syllables: голосовать, требовать
+// except здороваться (1)
+const presentSuffixInflections1Ab = [
+    suffixInflection('ую', 'овать', ['v1a'], ['v']),
+    suffixInflection('уешь', 'овать', ['v1a'], ['v']),
+    suffixInflection('ует', 'овать', ['v1a'], ['v']),
+    suffixInflection('уем', 'овать', ['v1a'], ['v']),
+    suffixInflection('уете', 'овать', ['v1a'], ['v']),
+    suffixInflection('уют', 'овать', ['v1a'], ['v']),
+
+    suffixInflection('уюсь', 'оваться', ['v1a'], ['v']),
+    suffixInflection('уешься', 'оваться', ['v1a'], ['v']),
+    suffixInflection('уется', 'оваться', ['v1a'], ['v']),
+    suffixInflection('уемся', 'оваться', ['v1a'], ['v']),
+    suffixInflection('уетесь', 'оваться', ['v1a'], ['v']),
+    suffixInflection('уются', 'оваться', ['v1a'], ['v'])
+];
+
+// (1Ac) verbs in -евать: плевать, горевать
+// except застревать, затевать, зевать, подозревать, преодолевать, secondary imperfectives in -девать, -певать, -спевать (1)
+const presentSuffixInflections1Ac = [
+    suffixInflection('юю', 'евать', ['v1a'], ['v']),
+    suffixInflection('юёшь', 'евать', ['v1a'], ['v']),
+    suffixInflection('юёт', 'евать', ['v1a'], ['v']),
+    suffixInflection('юём', 'евать', ['v1a'], ['v']),
+    suffixInflection('юёте', 'евать', ['v1a'], ['v']),
+    suffixInflection('юют', 'евать', ['v1a'], ['v']),
+
+    suffixInflection('ююсь', 'еваться', ['v1a'], ['v']),
+    suffixInflection('юёшься', 'еваться', ['v1a'], ['v']),
+    suffixInflection('юётся', 'еваться', ['v1a'], ['v']),
+    suffixInflection('юёмся', 'еваться', ['v1a'], ['v']),
+    suffixInflection('юётесь', 'еваться', ['v1a'], ['v']),
+    suffixInflection('юются', 'еваться', ['v1a'], ['v'])
+];
+
+// (1Ad) петь
+const presentSuffixInflections1Ad = [
+    suffixInflection('ою', 'еть', ['v1a'], ['v']),
+    suffixInflection('оёшь', 'еть', ['v1a'], ['v']),
+    suffixInflection('оёт', 'еть', ['v1a'], ['v']),
+    suffixInflection('оём', 'еть', ['v1a'], ['v']),
+    suffixInflection('оёте', 'еть', ['v1a'], ['v']),
+    suffixInflection('оют', 'еть', ['v1a'], ['v']),
+
+    suffixInflection('оюсь', 'еться', ['v1a'], ['v']),
+    suffixInflection('оёшься', 'еться', ['v1a'], ['v']),
+    suffixInflection('оётся', 'еться', ['v1a'], ['v']),
+    suffixInflection('оёмся', 'еться', ['v1a'], ['v']),
+    suffixInflection('оётесь', 'еться', ['v1a'], ['v']),
+    suffixInflection('оются', 'еться', ['v1a'], ['v'])
+];
+
+// (1Ae) бить, вить, лить, пить, шить
+const presentSuffixInflections1Ae = [
+    suffixInflection('ью', 'ить', ['v1a'], ['v']),
+    suffixInflection('ьёшь', 'ить', ['v1a'], ['v']),
+    suffixInflection('ьёт', 'ить', ['v1a'], ['v']),
+    suffixInflection('ьём', 'ить', ['v1a'], ['v']),
+    suffixInflection('ьёте', 'ить', ['v1a'], ['v']),
+    suffixInflection('ьют', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('ьюсь', 'иться', ['v1a'], ['v']),
+    suffixInflection('ьёшься', 'иться', ['v1a'], ['v']),
+    suffixInflection('ьётся', 'иться', ['v1a'], ['v']),
+    suffixInflection('ьёмся', 'иться', ['v1a'], ['v']),
+    suffixInflection('ьётесь', 'иться', ['v1a'], ['v']),
+    suffixInflection('ьются', 'иться', ['v1a'], ['v'])
+];
+
+// (1Af) брить
+const presentSuffixInflections1Af = [
+    suffixInflection('ею', 'ить', ['v1a'], ['v']),
+    suffixInflection('еёшь', 'ить', ['v1a'], ['v']),
+    suffixInflection('еёт', 'ить', ['v1a'], ['v']),
+    suffixInflection('еём', 'ить', ['v1a'], ['v']),
+    suffixInflection('еёте', 'ить', ['v1a'], ['v']),
+    suffixInflection('еют', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('еюсь', 'иться', ['v1a'], ['v']),
+    suffixInflection('еёшься', 'иться', ['v1a'], ['v']),
+    suffixInflection('еётся', 'иться', ['v1a'], ['v']),
+    suffixInflection('еёмся', 'иться', ['v1a'], ['v']),
+    suffixInflection('еётесь', 'иться', ['v1a'], ['v']),
+    suffixInflection('еются', 'иться', ['v1a'], ['v'])
+];
+
+// (1Ag) мыть, выть, крыть, ныть, рыть
+const presentSuffixInflections1Ag = [
+    suffixInflection('ою', 'ыть', ['v1a'], ['v']),
+    suffixInflection('оёшь', 'ыть', ['v1a'], ['v']),
+    suffixInflection('оёт', 'ыть', ['v1a'], ['v']),
+    suffixInflection('оём', 'ыть', ['v1a'], ['v']),
+    suffixInflection('оёте', 'ыть', ['v1a'], ['v']),
+    suffixInflection('оют', 'ыть', ['v1a'], ['v']),
+
+    suffixInflection('оюсь', 'ыться', ['v1a'], ['v']),
+    suffixInflection('оёшься', 'ыться', ['v1a'], ['v']),
+    suffixInflection('оётся', 'ыться', ['v1a'], ['v']),
+    suffixInflection('оёмся', 'ыться', ['v1a'], ['v']),
+    suffixInflection('оётесь', 'ыться', ['v1a'], ['v']),
+    suffixInflection('оются', 'ыться', ['v1a'], ['v'])
+];
+
+// (1B) Consonant stem, special cases
+// (1BA) Present-future and infinitive stems coincide:
+// (1BAa) verbs in -ать
+// ждать, врать, жаждать, жрать, орать, рвать, ржать, сосать, стонать, ткать
+const presentSuffixInflections1BAa = [
+    suffixInflection('у', 'ать', ['v1a'], ['v']),
+    suffixInflection('ёшь', 'ать', ['v1a'], ['v']),
+    suffixInflection('ёт', 'ать', ['v1a'], ['v']),
+    suffixInflection('ём', 'ать', ['v1a'], ['v']),
+    suffixInflection('ёте', 'ать', ['v1a'], ['v']),
+    suffixInflection('ут', 'ать', ['v1a'], ['v']),
+
+    suffixInflection('усь', 'аться', ['v1a'], ['v']),
+    suffixInflection('ёшься', 'аться', ['v1a'], ['v']),
+    suffixInflection('ётся', 'аться', ['v1a'], ['v']),
+    suffixInflection('ёмся', 'аться', ['v1a'], ['v']),
+    suffixInflection('ётесь', 'аться', ['v1a'], ['v']),
+    suffixInflection('утся', 'аться', ['v1a'], ['v'])   
+];
+
+// (1BAb) The same but with a velar/sibilant mutation
+// лгать
+const presentSuffixInflections1Bab = [
+    suffixInflection('у', 'ать', ['v1a'], ['v']),
+    suffixInflection('жёшь', 'гать', ['v1a'], ['v']),
+    suffixInflection('жёт', 'гать', ['v1a'], ['v']),
+    suffixInflection('жём', 'гать', ['v1a'], ['v']),
+    suffixInflection('жёте', 'гать', ['v1a'], ['v']),
+    suffixInflection('ут', 'ать', ['v1a'], ['v']),
+
+    suffixInflection('усь', 'аться', ['v1a'], ['v']),
+    suffixInflection('жёшься', 'гаться', ['v1a'], ['v']),
+    suffixInflection('жётся', 'гаться', ['v1a'], ['v']),
+    suffixInflection('жёмся', 'гаться', ['v1a'], ['v']),
+    suffixInflection('жётесь', 'гаться', ['v1a'], ['v']),
+    suffixInflection('утся', 'аться', ['v1a'], ['v'])  
+];
+
+// (1BAc) verbs in -нуть
+// гнуть
+const presentSuffixInflections1BAc = [
+    suffixInflection('у', 'нуть', ['v1a'], ['v']),
+    suffixInflection('ёшь', 'нуть', ['v1a'], ['v']),
+    suffixInflection('ёт', 'нуть', ['v1a'], ['v']),
+    suffixInflection('ём', 'нуть', ['v1a'], ['v']),
+    suffixInflection('ёте', 'нуть', ['v1a'], ['v']),
+    suffixInflection('ут', 'нуть', ['v1a'], ['v']),
+
+    suffixInflection('усь', 'нуться', ['v1a'], ['v']),
+    suffixInflection('ёшься', 'нуться', ['v1a'], ['v']),
+    suffixInflection('ётся', 'нуться', ['v1a'], ['v']),
+    suffixInflection('ёмся', 'нуться', ['v1a'], ['v']),
+    suffixInflection('ётесь', 'нуться', ['v1a'], ['v']),
+    suffixInflection('утся', 'нуться', ['v1a'], ['v'])   
+];
+
+// (1BAd) verbs in -оть
+// колоть, бороться, полоть, пороть
+const presentSuffixInflections1BAd = [
+    suffixInflection('ю', 'оть', ['v1a'], ['v']),
+    suffixInflection('ешь', 'оть', ['v1a'], ['v']),
+    suffixInflection('ет', 'оть', ['v1a'], ['v']),
+    suffixInflection('ем', 'оть', ['v1a'], ['v']),
+    suffixInflection('ете', 'оть', ['v1a'], ['v']),
+    suffixInflection('ют', 'оть', ['v1a'], ['v']),
+
+    suffixInflection('юсь', 'оться', ['v1b'], ['v']),
+    suffixInflection('ешься', 'оться', ['v1b'], ['v']), 
+    suffixInflection('ется', 'оться', ['v1b'], ['v']), 
+    suffixInflection('емся', 'оться', ['v1b'], ['v']), 
+    suffixInflection('етесь', 'оться', ['v1b'], ['v']), 
+    suffixInflection('ются', 'оться', ['v1b'], ['v'])    
+];
+
+// (1BAe) молоть
+const presentSuffixInflections1BAe = [
+    suffixInflection('елю', 'олоть', ['v1a'], ['v']),
+    suffixInflection('елешь', 'олоть', ['v1a'], ['v']),
+    suffixInflection('елет', 'олоть', ['v1a'], ['v']),
+    suffixInflection('елем', 'олоть', ['v1a'], ['v']),
+    suffixInflection('елете', 'олоть', ['v1a'], ['v']),
+    suffixInflection('елют', 'олоть', ['v1a'], ['v']),
+
+    suffixInflection('елюсь', 'олоться', ['v1b'], ['v']),
+    suffixInflection('елешься', 'олоться', ['v1b'], ['v']), 
+    suffixInflection('елется', 'олоться', ['v1b'], ['v']), 
+    suffixInflection('елемся', 'олоться', ['v1b'], ['v']), 
+    suffixInflection('елетесь', 'олоться', ['v1b'], ['v']), 
+    suffixInflection('елются', 'олоться', ['v1b'], ['v'])    
+];
+
+
+// (1BB) Present-future and infinitive stems differ:
+// (1BBA) mobile е
+// (1BBAa) mobile е with р
+// брать, драть
+const presentSuffixInflections1BBAa = [
+    suffixInflection('еру', 'рать', ['v1a'], ['v']),
+    suffixInflection('ерёшь', 'рать', ['v1a'], ['v']),
+    suffixInflection('ерёт', 'рать', ['v1a'], ['v']),
+    suffixInflection('ерём', 'рать', ['v1a'], ['v']),
+    suffixInflection('ерёте', 'рать', ['v1a'], ['v']),
+    suffixInflection('ерут', 'рать', ['v1a'], ['v']),
+
+    suffixInflection('ерусь', 'раться', ['v1a'], ['v']),
+    suffixInflection('ерёшься', 'раться', ['v1a'], ['v']),
+    suffixInflection('ерётся', 'раться', ['v1a'], ['v']),
+    suffixInflection('ерёмся', 'раться', ['v1a'], ['v']),
+    suffixInflection('ерётесь', 'раться', ['v1a'], ['v']),
+    suffixInflection('ерутся', 'раться', ['v1a'], ['v'])   
+];
+
+// (1BBAb) mobile е with л
+// стлать
+const presentSuffixInflections1BBAb = [
+    suffixInflection('елю', 'лать', ['v1a'], ['v']),
+    suffixInflection('елешь', 'лать', ['v1a'], ['v']),
+    suffixInflection('елет', 'лать', ['v1a'], ['v']),
+    suffixInflection('елем', 'лать', ['v1a'], ['v']),
+    suffixInflection('елете', 'лать', ['v1a'], ['v']),
+    suffixInflection('елют', 'лать', ['v1a'], ['v']),
+
+    suffixInflection('елюсь', 'латься', ['v1a'], ['v']),
+    suffixInflection('елешься', 'латься', ['v1a'], ['v']),
+    suffixInflection('елется', 'латься', ['v1a'], ['v']),
+    suffixInflection('елемся', 'латься', ['v1a'], ['v']),
+    suffixInflection('елетесь', 'латься', ['v1a'], ['v']),
+    suffixInflection('елются', 'латься', ['v1a'], ['v'])   
+];
+
+// (1BBb) mobile о
+// звать
+const presentSuffixInflections1BBb = [
+    suffixInflection('ову', 'вать', ['v1a'], ['v']),
+    suffixInflection('овёшь', 'вать', ['v1a'], ['v']),
+    suffixInflection('овёт', 'вать', ['v1a'], ['v']),
+    suffixInflection('овём', 'вать', ['v1a'], ['v']),
+    suffixInflection('овёт', 'вать', ['v1a'], ['v']),
+    suffixInflection('овут', 'вать', ['v1a'], ['v']),
+
+    suffixInflection('овусь', 'ваться', ['v1a'], ['v']),
+    suffixInflection('овёшься', 'ваться', ['v1a'], ['v']),
+    suffixInflection('овётся', 'ваться', ['v1a'], ['v']),
+    suffixInflection('овёмся', 'ваться', ['v1a'], ['v']),
+    suffixInflection('овётесь', 'ваться', ['v1a'], ['v']),
+    suffixInflection('овутся', 'ваться', ['v1a'], ['v'])   
+];
+
+// (1BBC) mobile в
+// (1BBCa) жить
+const presentSuffixInflections1BBCa = [
+    suffixInflection('ву', 'ить', ['v1a'], ['v']),
+    suffixInflection('вёшь', 'ить', ['v1a'], ['v']),
+    suffixInflection('вёт', 'ить', ['v1a'], ['v']),
+    suffixInflection('вём', 'ить', ['v1a'], ['v']),
+    suffixInflection('вёте', 'ить', ['v1a'], ['v']),
+    suffixInflection('вут', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('вусь', 'иться', ['v1a'], ['v']),
+    suffixInflection('вёшься', 'иться', ['v1a'], ['v']),
+    suffixInflection('вётся', 'иться', ['v1a'], ['v']),
+    suffixInflection('вёмся', 'иться', ['v1a'], ['v']),
+    suffixInflection('вётесь', 'иться', ['v1a'], ['v']),
+    suffixInflection('вутся', 'иться', ['v1a'], ['v'])   
+];
+
+// (1BBCb) плыть, слыть
+const presentSuffixInflections1BBCb = [
+    suffixInflection('ву', 'ть', ['v1a'], ['v']),
+    suffixInflection('вёшь', 'ть', ['v1a'], ['v']),
+    suffixInflection('вёт', 'ть', ['v1a'], ['v']),
+    suffixInflection('вём', 'ть', ['v1a'], ['v']),
+    suffixInflection('вёте', 'ть', ['v1a'], ['v']),
+    suffixInflection('вут', 'ть', ['v1a'], ['v']),
+
+    suffixInflection('вусь', 'ться', ['v1a'], ['v']),
+    suffixInflection('вёшься', 'ться', ['v1a'], ['v']),
+    suffixInflection('вётся', 'ться', ['v1a'], ['v']),
+    suffixInflection('вёмся', 'ться', ['v1a'], ['v']),
+    suffixInflection('вётесь', 'ться', ['v1a'], ['v']),
+    suffixInflection('вутся', 'ться', ['v1a'], ['v'])   
+];
+
+// (1BBD) mobile д
+// (1BBDa) быть
+const presentSuffixInflections1BBDa = [
+    suffixInflection('уду', 'ыть', ['v1a'], ['v']),
+    suffixInflection('удешь', 'ыть', ['v1a'], ['v']),
+    suffixInflection('удет', 'ыть', ['v1a'], ['v']),
+    suffixInflection('удем', 'ыть', ['v1a'], ['v']),
+    suffixInflection('удете', 'ыть', ['v1a'], ['v']),
+    suffixInflection('удут', 'ыть', ['v1a'], ['v']),
+
+    suffixInflection('удусь', 'ыться', ['v1a'], ['v']),
+    suffixInflection('удешься', 'ыться', ['v1a'], ['v']),
+    suffixInflection('удется', 'ыться', ['v1a'], ['v']),
+    suffixInflection('удемся', 'ыться', ['v1a'], ['v']),
+    suffixInflection('удетесь', 'ыться', ['v1a'], ['v']),
+    suffixInflection('удутся', 'ыться', ['v1a'], ['v'])   
+];
+
+// (1BBDb) ехать
+const presentSuffixInflections1BBDb = [
+    suffixInflection('ду', 'хать', ['v1a'], ['v']),
+    suffixInflection('дешь', 'хать', ['v1a'], ['v']),
+    suffixInflection('дет', 'хать', ['v1a'], ['v']),
+    suffixInflection('дем', 'хать', ['v1a'], ['v']),
+    suffixInflection('дете', 'хать', ['v1a'], ['v']),
+    suffixInflection('дут', 'хать', ['v1a'], ['v']),
+
+    suffixInflection('дусь', 'хаться', ['v1a'], ['v']),
+    suffixInflection('дешься', 'хаться', ['v1a'], ['v']),
+    suffixInflection('дется', 'хаться', ['v1a'], ['v']),
+    suffixInflection('демся', 'хаться', ['v1a'], ['v']),
+    suffixInflection('детесь', 'хаться', ['v1a'], ['v']),
+    suffixInflection('дутся', 'хаться', ['v1a'], ['v'])   
+];
+
+// (1BBE) mobile м
+// (1BBEa) взять
+const presentSuffixInflections1BBEa = [
+    suffixInflection('озьму', 'зять', ['v1a'], ['v']),
+    suffixInflection('озьмёшь', 'зять', ['v1a'], ['v']),
+    suffixInflection('озьмёт', 'зять', ['v1a'], ['v']),
+    suffixInflection('озьмём', 'зять', ['v1a'], ['v']),
+    suffixInflection('озьмёте', 'зять', ['v1a'], ['v']),
+    suffixInflection('озьмут', 'зять', ['v1a'], ['v']),
+
+    suffixInflection('озьмусь', 'зяться', ['v1a'], ['v']),
+    suffixInflection('озьмёшься', 'зяться', ['v1a'], ['v']),
+    suffixInflection('озьмётся', 'зяться', ['v1a'], ['v']),
+    suffixInflection('озьмёмся', 'зяться', ['v1a'], ['v']),
+    suffixInflection('озьмётесь', 'зяться', ['v1a'], ['v']),
+    suffixInflection('озьмутся', 'зяться', ['v1a'], ['v'])   
+];
+
+// (1BBEb) снять, compounds in -(consonant)нять
+const presentSuffixInflections1BBEb = [
+    suffixInflection('иму', 'ять', ['v1a'], ['v']),
+    suffixInflection('имешь', 'ять', ['v1a'], ['v']),
+    suffixInflection('имет', 'ять', ['v1a'], ['v']),
+    suffixInflection('имем', 'ять', ['v1a'], ['v']),
+    suffixInflection('имете', 'ять', ['v1a'], ['v']),
+    suffixInflection('имут', 'ять', ['v1a'], ['v']),
+
+    suffixInflection('имусь', 'яться', ['v1a'], ['v']),
+    suffixInflection('имешься', 'яться', ['v1a'], ['v']),
+    suffixInflection('имется', 'яться', ['v1a'], ['v']),
+    suffixInflection('имемся', 'яться', ['v1a'], ['v']),
+    suffixInflection('иметесь', 'яться', ['v1a'], ['v']),
+    suffixInflection('имутся', 'яться', ['v1a'], ['v'])   
+];
+
+// (1BBEc) понять, compounds in -(vowel)нять
+const presentSuffixInflections1BBEc = [
+    suffixInflection('йму', 'нять', ['v1a'], ['v']),
+    suffixInflection('ймёшь', 'нять', ['v1a'], ['v']),
+    suffixInflection('ймёт', 'нять', ['v1a'], ['v']),
+    suffixInflection('ймём', 'нять', ['v1a'], ['v']),
+    suffixInflection('ймёте', 'нять', ['v1a'], ['v']),
+    suffixInflection('ймут', 'нять', ['v1a'], ['v']),
+
+    suffixInflection('ймусь', 'няться', ['v1a'], ['v']),
+    suffixInflection('ймёшься', 'няться', ['v1a'], ['v']),
+    suffixInflection('ймётся', 'няться', ['v1a'], ['v']),
+    suffixInflection('ймёмся', 'няться', ['v1a'], ['v']),
+    suffixInflection('ймётесь', 'няться', ['v1a'], ['v']),
+    suffixInflection('ймутся', 'няться', ['v1a'], ['v'])   
+];
+
+// (1BBEd) жать
+const presentSuffixInflections1BBEd = [
+    suffixInflection('му', 'ать', ['v1a'], ['v']),
+    suffixInflection('мёшь', 'ать', ['v1a'], ['v']),
+    suffixInflection('мёт', 'ать', ['v1a'], ['v']),
+    suffixInflection('мём', 'ать', ['v1a'], ['v']),
+    suffixInflection('мёте', 'ать', ['v1a'], ['v']),
+    suffixInflection('мут', 'ать', ['v1a'], ['v']),
+
+    suffixInflection('мусь', 'аться', ['v1a'], ['v']),
+    suffixInflection('мёшься', 'аться', ['v1a'], ['v']),
+    suffixInflection('мётся', 'аться', ['v1a'], ['v']),
+    suffixInflection('мёмся', 'аться', ['v1a'], ['v']),
+    suffixInflection('мётесь', 'аться', ['v1a'], ['v']),
+    suffixInflection('мутся', 'аться', ['v1a'], ['v'])   
+];
+
+
+// (1BBF) mobile н
+// (1BBFa) жать 2, начать
+const presentSuffixInflections1BBFa = [
+    suffixInflection('ну', 'ать', ['v1a'], ['v']),
+    suffixInflection('нёшь', 'ать', ['v1a'], ['v']),
+    suffixInflection('нёт', 'ать', ['v1a'], ['v']),
+    suffixInflection('нём', 'ать', ['v1a'], ['v']),
+    suffixInflection('нёте', 'ать', ['v1a'], ['v']),
+    suffixInflection('нут', 'ать', ['v1a'], ['v']),
+
+    suffixInflection('нусь', 'аться', ['v1a'], ['v']),
+    suffixInflection('нёшься', 'аться', ['v1a'], ['v']),
+    suffixInflection('нётся', 'аться', ['v1a'], ['v']),
+    suffixInflection('нёмся', 'аться', ['v1a'], ['v']),
+    suffixInflection('нётесь', 'аться', ['v1a'], ['v']),
+    suffixInflection('нутся', 'аться', ['v1a'], ['v'])   
+    ];
+
+// (1BBFb) деть, застрять, стать, стыть
+const presentSuffixInflections1BBFb = [
+    suffixInflection('ну', 'ть', ['v1a'], ['v']),
+    suffixInflection('нешь', 'ть', ['v1a'], ['v']),
+    suffixInflection('нет', 'ть', ['v1a'], ['v']),
+    suffixInflection('нем', 'ть', ['v1a'], ['v']),
+    suffixInflection('нете', 'ть', ['v1a'], ['v']),
+    suffixInflection('нут', 'ть', ['v1a'], ['v']),
+
+    suffixInflection('нусь', 'ться', ['v1a'], ['v']),
+    suffixInflection('нешься', 'ться', ['v1a'], ['v']),
+    suffixInflection('нется', 'ться', ['v1a'], ['v']),
+    suffixInflection('немся', 'ться', ['v1a'], ['v']),
+    suffixInflection('нетесь', 'ться', ['v1a'], ['v']),
+    suffixInflection('нутся', 'ться', ['v1a'], ['v'])   
+];
+
+// (1BBFc) мять, распять
+const presentSuffixInflections1BBFc = [
+    suffixInflection('ну', 'ять', ['v1a'], ['v']),
+    suffixInflection('нёшь', 'ять', ['v1a'], ['v']),
+    suffixInflection('нёт', 'ять', ['v1a'], ['v']),
+    suffixInflection('нём', 'ять', ['v1a'], ['v']),
+    suffixInflection('нёте', 'ять', ['v1a'], ['v']),
+    suffixInflection('нут', 'ять', ['v1a'], ['v']),
+
+    suffixInflection('нусь', 'яться', ['v1a'], ['v']),
+    suffixInflection('нёшься', 'яться', ['v1a'], ['v']),
+    suffixInflection('нётся', 'яться', ['v1a'], ['v']),
+    suffixInflection('нёмся', 'яться', ['v1a'], ['v']),
+    suffixInflection('нётесь', 'яться', ['v1a'], ['v']),
+    suffixInflection('нутся', 'яться', ['v1a'], ['v'])   
+    ];
+
+
+// (1BBg) loss of mobile vowel (verbs in -ереть)
+// тереть, compounds in -мереть, -переть
+const presentSuffixInflections1BBg = [
+    suffixInflection('ру', 'ереть', ['v1a'], ['v']),
+    suffixInflection('рёшь', 'ереть', ['v1a'], ['v']),
+    suffixInflection('рёт', 'ереть', ['v1a'], ['v']),
+    suffixInflection('рём', 'ереть', ['v1a'], ['v']),
+    suffixInflection('рёте', 'ереть', ['v1a'], ['v']),
+    suffixInflection('рут', 'ереть', ['v1a'], ['v']),
+
+    suffixInflection('русь', 'ереться', ['v1a'], ['v']),
+    suffixInflection('рёшься', 'ереться', ['v1a'], ['v']),
+    suffixInflection('рётся', 'ереться', ['v1a'], ['v']),
+    suffixInflection('рёмся', 'ереться', ['v1a'], ['v']),
+    suffixInflection('рётесь', 'ереться', ['v1a'], ['v']),
+    suffixInflection('рутся', 'ереться', ['v1a'], ['v'])   
+    ];
+
+// (1BBh) others; Wade additionally mentions реветь and compounds of -шибить, which are regular for our purposes
+// слать and its compounds
+const presentSuffixInflections1BBh = [
+    suffixInflection('шлю', 'слать', ['v1a'], ['v']),
+    suffixInflection('шлёшь', 'слать', ['v1a'], ['v']),
+    suffixInflection('шлёт', 'слать', ['v1a'], ['v']),
+    suffixInflection('шлём', 'слать', ['v1a'], ['v']),
+    suffixInflection('шлёте', 'слать', ['v1a'], ['v']),
+    suffixInflection('шлют', 'слать', ['v1a'], ['v']),
+
+    suffixInflection('шлюсь', 'слаться', ['v1a'], ['v']),
+    suffixInflection('шлёшься', 'слаться', ['v1a'], ['v']),
+    suffixInflection('шлётся', 'слаться', ['v1a'], ['v']),
+    suffixInflection('шлёмся', 'слаться', ['v1a'], ['v']),
+    suffixInflection('шлётесь', 'слаться', ['v1a'], ['v']),
+    suffixInflection('шлются', 'слаться', ['v1a'], ['v'])
+];
+
+// (1C) Consonant stems II: verbs in -ать with consistent consonant mutation
+// All applicable verbs are given in the book, p248/286
+// (1Ca) д - ж
+// глодать
+const presentSuffixInflections1Ca = [
+    suffixInflection('жу', 'дать', ['v1a'], ['v']),
+    suffixInflection('жешь', 'дать', ['v1a'], ['v']),
+    suffixInflection('жет', 'дать', ['v1a'], ['v']),
+    suffixInflection('жем', 'дать', ['v1a'], ['v']),
+    suffixInflection('жете', 'дать', ['v1a'], ['v']),
+    suffixInflection('жут', 'дать', ['v1a'], ['v']),
+
+    suffixInflection('жусь', 'даться', ['v1a'], ['v']),
+    suffixInflection('жешься', 'даться', ['v1a'], ['v']),
+    suffixInflection('жется', 'даться', ['v1a'], ['v']),
+    suffixInflection('жемся', 'даться', ['v1a'], ['v']),
+    suffixInflection('жетесь', 'даться', ['v1a'], ['v']),
+    suffixInflection('жутся', 'даться', ['v1a'], ['v'])
+];
+
+// (1Cb) т - ч
+// шептать, бормотать
+const presentSuffixInflections1Cb = [
+    suffixInflection('чу', 'тать', ['v1a'], ['v']),
+    suffixInflection('чешь', 'тать', ['v1a'], ['v']),
+    suffixInflection('чет', 'тать', ['v1a'], ['v']),
+    suffixInflection('чем', 'тать', ['v1a'], ['v']),
+    suffixInflection('чете', 'тать', ['v1a'], ['v']),
+    suffixInflection('чут', 'тать', ['v1a'], ['v']),
+
+    suffixInflection('чусь', 'таться', ['v1a'], ['v']),
+    suffixInflection('чешься', 'таться', ['v1a'], ['v']),
+    suffixInflection('чется', 'таться', ['v1a'], ['v']),
+    suffixInflection('чемся', 'таться', ['v1a'], ['v']),
+    suffixInflection('четесь', 'таться', ['v1a'], ['v']),
+    suffixInflection('чутся', 'таться', ['v1a'], ['v'])
+];
+
+// (1Cc) т - щ
+// клеветать
+const presentSuffixInflections1Cc = [
+    suffixInflection('щу', 'тать', ['v1a'], ['v']),
+    suffixInflection('щешь', 'тать', ['v1a'], ['v']),
+    suffixInflection('щет', 'тать', ['v1a'], ['v']),
+    suffixInflection('щем', 'тать', ['v1a'], ['v']),
+    suffixInflection('щете', 'тать', ['v1a'], ['v']),
+    suffixInflection('щут', 'тать', ['v1a'], ['v']),
+
+    suffixInflection('щусь', 'таться', ['v1a'], ['v']),
+    suffixInflection('щешься', 'таться', ['v1a'], ['v']),
+    suffixInflection('щется', 'таться', ['v1a'], ['v']),
+    suffixInflection('щемся', 'таться', ['v1a'], ['v']),
+    suffixInflection('щетесь', 'таться', ['v1a'], ['v']),
+    suffixInflection('щутся', 'таться', ['v1a'], ['v'])
+];
+
+// (1Cd) з - ж
+// вязать, казаться, compounds of -казать
+const presentSuffixInflections1Cd = [
+    suffixInflection('жу', 'зать', ['v1a'], ['v']),
+    suffixInflection('жешь', 'зать', ['v1a'], ['v']),
+    suffixInflection('жет', 'зать', ['v1a'], ['v']),
+    suffixInflection('жем', 'зать', ['v1a'], ['v']),
+    suffixInflection('жете', 'зать', ['v1a'], ['v']),
+    suffixInflection('жут', 'зать', ['v1a'], ['v']),
+
+    suffixInflection('жусь', 'заться', ['v1a'], ['v']),
+    suffixInflection('жешься', 'заться', ['v1a'], ['v']),
+    suffixInflection('жется', 'заться', ['v1a'], ['v']),
+    suffixInflection('жемся', 'заться', ['v1a'], ['v']),
+    suffixInflection('жетесь', 'заться', ['v1a'], ['v']),
+    suffixInflection('жутся', 'заться', ['v1a'], ['v'])
+];
+
+
+// (1Ce) с - ш
+// писать
+const presentSuffixInflections1Ce = [
+    suffixInflection('шу', 'сать', ['v1a'], ['v']),
+    suffixInflection('шешь', 'сать', ['v1a'], ['v']),
+    suffixInflection('шет', 'сать', ['v1a'], ['v']),
+    suffixInflection('шем', 'сать', ['v1a'], ['v']),
+    suffixInflection('шете', 'сать', ['v1a'], ['v']),
+    suffixInflection('шут', 'сать', ['v1a'], ['v']),
+
+    suffixInflection('шусь', 'саться', ['v1a'], ['v']),
+    suffixInflection('шешься', 'саться', ['v1a'], ['v']),
+    suffixInflection('шется', 'саться', ['v1a'], ['v']),
+    suffixInflection('шемся', 'саться', ['v1a'], ['v']),
+    suffixInflection('шетесь', 'саться', ['v1a'], ['v']),
+    suffixInflection('шутся', 'саться', ['v1a'], ['v'])
+    ];
+
+
+// (1Cf) г - ж
+// двигать, брызгать
+// as in движет, otherwise regular двигает
+const presentSuffixInflections1Cf = [
+    suffixInflection('жу', 'гать', ['v1a'], ['v']),
+    suffixInflection('жешь', 'гать', ['v1a'], ['v']),
+    suffixInflection('жет', 'гать', ['v1a'], ['v']),
+    suffixInflection('жем', 'гать', ['v1a'], ['v']),
+    suffixInflection('жете', 'гать', ['v1a'], ['v']),
+    suffixInflection('жут', 'гать', ['v1a'], ['v']),
+
+    suffixInflection('жусь', 'гаться', ['v1a'], ['v']),
+    suffixInflection('жешься', 'гаться', ['v1a'], ['v']),
+    suffixInflection('жется', 'гаться', ['v1a'], ['v']),
+    suffixInflection('жемся', 'гаться', ['v1a'], ['v']),
+    suffixInflection('жетесь', 'гаться', ['v1a'], ['v']),
+    suffixInflection('жутся', 'гаться', ['v1a'], ['v'])
+    ];
+
+// (1Cg) к - ч
+// плакать, алкать
+const presentSuffixInflections1Cg = [
+    suffixInflection('чу', 'кать', ['v1a'], ['v']),
+    suffixInflection('чешь', 'кать', ['v1a'], ['v']),
+    suffixInflection('чет', 'кать', ['v1a'], ['v']),
+    suffixInflection('чем', 'кать', ['v1a'], ['v']),
+    suffixInflection('чете', 'кать', ['v1a'], ['v']),
+    suffixInflection('чут', 'кать', ['v1a'], ['v']),
+
+    suffixInflection('чусь', 'каться', ['v1a'], ['v']),
+    suffixInflection('чешься', 'каться', ['v1a'], ['v']),
+    suffixInflection('чется', 'каться', ['v1a'], ['v']),
+    suffixInflection('чемся', 'каться', ['v1a'], ['v']),
+    suffixInflection('четесь', 'каться', ['v1a'], ['v']),
+    suffixInflection('чутся', 'каться', ['v1a'], ['v'])
+    ];
+
+// (1Ch) х - ш
+// махать, колыхать
+const presentSuffixInflections1Ch = [
+    suffixInflection('шу', 'хать', ['v1a'], ['v']),
+    suffixInflection('шешь', 'хать', ['v1a'], ['v']),
+    suffixInflection('шет', 'хать', ['v1a'], ['v']),
+    suffixInflection('шем', 'хать', ['v1a'], ['v']),
+    suffixInflection('шете', 'хать', ['v1a'], ['v']),
+    suffixInflection('шут', 'хать', ['v1a'], ['v']),
+
+    suffixInflection('шусь', 'хаться', ['v1a'], ['v']),
+    suffixInflection('шешься', 'хаться', ['v1a'], ['v']),
+    suffixInflection('шется', 'хаться', ['v1a'], ['v']),
+    suffixInflection('шемся', 'хаться', ['v1a'], ['v']),
+    suffixInflection('шетесь', 'хаться', ['v1a'], ['v']),
+    suffixInflection('шутся', 'хаться', ['v1a'], ['v'])
+    ];
+
+// (1Ci) ск - щ
+// искать
+const presentSuffixInflections1Ci = [
+    suffixInflection('щу', 'скать', ['v1a'], ['v']),
+    suffixInflection('щешь', 'скать', ['v1a'], ['v']),
+    suffixInflection('щет', 'скать', ['v1a'], ['v']),
+    suffixInflection('щем', 'скать', ['v1a'], ['v']),
+    suffixInflection('щете', 'скать', ['v1a'], ['v']),
+    suffixInflection('щут', 'скать', ['v1a'], ['v']),
+
+    suffixInflection('щусь', 'скаться', ['v1a'], ['v']),
+    suffixInflection('щешься', 'скаться', ['v1a'], ['v']),
+    suffixInflection('щется', 'скаться', ['v1a'], ['v']),
+    suffixInflection('щемся', 'скаться', ['v1a'], ['v']),
+    suffixInflection('щетесь', 'скаться', ['v1a'], ['v']),
+    suffixInflection('щутся', 'скаться', ['v1a'], ['v'])
+    ];
+
+// (1Cj) adding л
+// колебаться, дремать, капать
+const presentSuffixInflections1Cj = [
+    suffixInflection('лю', 'ать', ['v1a'], ['v']),
+    suffixInflection('лешь', 'ать', ['v1a'], ['v']),
+    suffixInflection('лет', 'ать', ['v1a'], ['v']),
+    suffixInflection('лем', 'ать', ['v1a'], ['v']),
+    suffixInflection('лете', 'ать', ['v1a'], ['v']),
+    suffixInflection('лют', 'ать', ['v1a'], ['v']),
+
+    suffixInflection('люсь', 'аться', ['v1a'], ['v']),
+    suffixInflection('лешься', 'аться', ['v1a'], ['v']),
+    suffixInflection('лется', 'аться', ['v1a'], ['v']),
+    suffixInflection('лемся', 'аться', ['v1a'], ['v']),
+    suffixInflection('летесь', 'аться', ['v1a'], ['v']),
+    suffixInflection('лются', 'аться', ['v1a'], ['v'])
+    ];
+
+// (1D) Consonant stems III: verbs in ‐ти, ‐cть/‐зть, ‐чь
+// (1DA) -ти
+// A full list is provided p249/287
+// (1DAa) -б-
+// грести
+const presentSuffixInflections1DAa = [
+    suffixInflection('бу', 'сти', ['v1a'], ['v']),
+    suffixInflection('бёшь', 'сти', ['v1a'], ['v']),
+    suffixInflection('бёт', 'сти', ['v1a'], ['v']),
+    suffixInflection('бём', 'сти', ['v1a'], ['v']),
+    suffixInflection('бёте', 'сти', ['v1a'], ['v']),
+    suffixInflection('бут', 'сти', ['v1a'], ['v']),
+
+    suffixInflection('бусь', 'стися', ['v1a'], ['v']),
+    suffixInflection('бёшься', 'стися', ['v1a'], ['v']),
+    suffixInflection('бётся', 'стися', ['v1a'], ['v']),
+    suffixInflection('бёмся', 'стися', ['v1a'], ['v']),
+    suffixInflection('бётесь', 'стися', ['v1a'], ['v']),
+    suffixInflection('бутся', 'стися', ['v1a'], ['v'])
+    ];
+
+// (1DAb) suffix and infinitive suffix (ти) coincide
+// идти, везти, нести
+const presentSuffixInflections1DAb = [
+    suffixInflection('у', 'ти', ['v1a'], ['v']),
+    suffixInflection('ёшь', 'ти', ['v1a'], ['v']),
+    suffixInflection('ёт', 'ти', ['v1a'], ['v']),
+    suffixInflection('ём', 'ти', ['v1a'], ['v']),
+    suffixInflection('ёте', 'ти', ['v1a'], ['v']),
+    suffixInflection('ут', 'ти', ['v1a'], ['v']),
+
+    suffixInflection('усь', 'тися', ['v1a'], ['v']),
+    suffixInflection('ёшься', 'тися', ['v1a'], ['v']),
+    suffixInflection('ётся', 'тися', ['v1a'], ['v']),
+    suffixInflection('ёмся', 'тися', ['v1a'], ['v']),
+    suffixInflection('ётесь', 'тися', ['v1a'], ['v']),
+    suffixInflection('утся', 'тися', ['v1a'], ['v'])
+    ];
+
+// (1DAc) -т-
+// мести
+const presentSuffixInflections1DAc = [
+    suffixInflection('ту', 'сти', ['v1a'], ['v']),
+    suffixInflection('тёшь', 'сти', ['v1a'], ['v']),
+    suffixInflection('тёт', 'сти', ['v1a'], ['v']),
+    suffixInflection('тём', 'сти', ['v1a'], ['v']),
+    suffixInflection('тёте', 'сти', ['v1a'], ['v']),
+    suffixInflection('тут', 'сти', ['v1a'], ['v']),
+
+    suffixInflection('тусь', 'стися', ['v1a'], ['v']),
+    suffixInflection('тёшься', 'стися', ['v1a'], ['v']),
+    suffixInflection('тётся', 'стися', ['v1a'], ['v']),
+    suffixInflection('тёмся', 'стися', ['v1a'], ['v']),
+    suffixInflection('тётесь', 'стися', ['v1a'], ['v']),
+    suffixInflection('тутся', 'стися', ['v1a'], ['v'])
+    ];
+
+// (1DAd) -ст-
+// расти
+const presentSuffixInflections1DAd = [
+    suffixInflection('у', 'и', ['v1a'], ['v']),
+    suffixInflection('ёшь', 'и', ['v1a'], ['v']),
+    suffixInflection('ёт', 'и', ['v1a'], ['v']),
+    suffixInflection('ём', 'и', ['v1a'], ['v']),
+    suffixInflection('ёте', 'и', ['v1a'], ['v']),
+    suffixInflection('ут', 'и', ['v1a'], ['v']),
+
+    suffixInflection('усь', 'ися', ['v1a'], ['v']),
+    suffixInflection('ёшься', 'ися', ['v1a'], ['v']),
+    suffixInflection('ётся', 'ися', ['v1a'], ['v']),
+    suffixInflection('ёмся', 'ися', ['v1a'], ['v']),
+    suffixInflection('ётесь', 'ися', ['v1a'], ['v']),
+    suffixInflection('утся', 'ися', ['v1a'], ['v'])
+    ];
+
+// (1DB) ‐cть/‐зть
+// A list is included p249/287
+// (1DBa) -д-
+// класть
+const presentSuffixInflections1DBa = [
+    suffixInflection('ду', 'сть', ['v1a'], ['v']),
+    suffixInflection('дёшь', 'сть', ['v1a'], ['v']),
+    suffixInflection('дёт', 'сть', ['v1a'], ['v']),
+    suffixInflection('дём', 'сть', ['v1a'], ['v']),
+    suffixInflection('дёте', 'сть', ['v1a'], ['v']),
+    suffixInflection('дут', 'сть', ['v1a'], ['v']),
+
+    suffixInflection('дусь', 'сться', ['v1a'], ['v']),
+    suffixInflection('дёшься', 'сться', ['v1a'], ['v']),
+    suffixInflection('дётся', 'сться', ['v1a'], ['v']),
+    suffixInflection('дёмся', 'сться', ['v1a'], ['v']),
+    suffixInflection('дётесь', 'сться', ['v1a'], ['v']),
+    suffixInflection('дутся', 'сться', ['v1a'], ['v'])
+    ];
+
+// (1DBb) -н-
+// клясть
+const presentSuffixInflections1DBb = [
+    suffixInflection('ну', 'сть', ['v1a'], ['v']),
+    suffixInflection('нёшь', 'сть', ['v1a'], ['v']),
+    suffixInflection('нёт', 'сть', ['v1a'], ['v']),
+    suffixInflection('нём', 'сть', ['v1a'], ['v']),
+    suffixInflection('нёте', 'сть', ['v1a'], ['v']),
+    suffixInflection('нут', 'сть', ['v1a'], ['v']),
+
+    suffixInflection('нусь', 'сться', ['v1a'], ['v']),
+    suffixInflection('нёшься', 'сться', ['v1a'], ['v']),
+    suffixInflection('нётся', 'сться', ['v1a'], ['v']),
+    suffixInflection('нёмся', 'сться', ['v1a'], ['v']),
+    suffixInflection('нётесь', 'сться', ['v1a'], ['v']),
+    suffixInflection('нутся', 'сться', ['v1a'], ['v'])
+    ];
+
+// (1DBc) -т-
+// compounds of честь
+const presentSuffixInflections1DBc = [
+    suffixInflection('ту', 'есть', ['v1a'], ['v']),
+    suffixInflection('тёшь', 'есть', ['v1a'], ['v']),
+    suffixInflection('тёт', 'есть', ['v1a'], ['v']),
+    suffixInflection('тём', 'есть', ['v1a'], ['v']),
+    suffixInflection('тёте', 'есть', ['v1a'], ['v']),
+    suffixInflection('тут', 'есть', ['v1a'], ['v']),
+
+    suffixInflection('тусь', 'есться', ['v1a'], ['v']),
+    suffixInflection('тёшься', 'есться', ['v1a'], ['v']),
+    suffixInflection('тётся', 'есться', ['v1a'], ['v']),
+    suffixInflection('тёмся', 'есться', ['v1a'], ['v']),
+    suffixInflection('тётесь', 'есться', ['v1a'], ['v']),
+    suffixInflection('тутся', 'есться', ['v1a'], ['v'])
+    ];
+
+// (1DBd) suffix and infinitive ending (ть) coincide
+// лезть
+const presentSuffixInflections1DBd = [
+    suffixInflection('у', 'ть', ['v1a'], ['v']),
+    suffixInflection('ешь', 'ть', ['v1a'], ['v']),
+    suffixInflection('ет', 'ть', ['v1a'], ['v']),
+    suffixInflection('ем', 'ть', ['v1a'], ['v']),
+    suffixInflection('ете', 'ть', ['v1a'], ['v']),
+    suffixInflection('ут', 'ть', ['v1a'], ['v']),
+
+    suffixInflection('усь', 'ться', ['v1a'], ['v']),
+    suffixInflection('ешься', 'ться', ['v1a'], ['v']),
+    suffixInflection('ется', 'ться', ['v1a'], ['v']),
+    suffixInflection('емся', 'ться', ['v1a'], ['v']),
+    suffixInflection('етесь', 'ться', ['v1a'], ['v']),
+    suffixInflection('утся', 'ться', ['v1a'], ['v'])
+    ];
+
+// (1DC) ‐чь
+// A list is included p250/288
+// (1DCa) г-ж stem
+// беречь, мочь
+const presentSuffixInflections1DCa = [
+    suffixInflection('гу', 'чь', ['v1a'], ['v']),
+    suffixInflection('жёшь', 'чь', ['v1a'], ['v']),
+    suffixInflection('жёт', 'чь', ['v1a'], ['v']),
+    suffixInflection('жём', 'чь', ['v1a'], ['v']),
+    suffixInflection('жёте', 'чь', ['v1a'], ['v']),
+    suffixInflection('гут', 'чь', ['v1a'], ['v']),
+
+    suffixInflection('гусь', 'чься', ['v1a'], ['v']),
+    suffixInflection('жёшься', 'чься', ['v1a'], ['v']),
+    suffixInflection('жётся', 'чься', ['v1a'], ['v']),
+    suffixInflection('жёмся', 'чься', ['v1a'], ['v']),
+    suffixInflection('жётесь', 'чься', ['v1a'], ['v']),
+    suffixInflection('гутся', 'чься', ['v1a'], ['v'])
+    ];
+
+// (1DCb) к-ч stem
+// печь
+const presentSuffixInflections1DCb = [
+    suffixInflection('ку', 'чь', ['v1a'], ['v']),
+    suffixInflection('ёшь', 'ь', ['v1a'], ['v']),
+    suffixInflection('ёт', 'ь', ['v1a'], ['v']),
+    suffixInflection('ём', 'ь', ['v1a'], ['v']),
+    suffixInflection('ёте', 'ь', ['v1a'], ['v']),
+    suffixInflection('кут', 'чь', ['v1a'], ['v']),
+
+    suffixInflection('кусь', 'чься', ['v1a'], ['v']),
+    suffixInflection('ёшься', 'ься', ['v1a'], ['v']),
+    suffixInflection('ётся', 'ься', ['v1a'], ['v']),
+    suffixInflection('ёмся', 'ься', ['v1a'], ['v']),
+    suffixInflection('ётесь', 'ься', ['v1a'], ['v']),
+    suffixInflection('кутся', 'чься', ['v1a'], ['v'])
+    ];
+
+// (2) Second-conjugation endings (-и-):
+// All -ить verbs except a few (monosyllabic, почить, -шибить compounds)
+// Many in -еть (list in book), some in -ать (list in book)
+// Two in -ять: бояться, стоять
+const presentSuffixInflections2 = [
+    suffixInflection('ю', 'ить', ['v1a'], ['v']),
+    suffixInflection('шь', 'ть', ['v1a'], ['v']),
+    suffixInflection('', 'ь', ['v1a'], ['v']),
+    suffixInflection('м', 'ть', ['v1a'], ['v']),
+    suffixInflection('е', 'ь', ['v1a'], ['v']),
+    suffixInflection('ят', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('юсь', 'иться', ['v1b'], ['v']),
+    suffixInflection('шься', 'ться', ['v1b'], ['v']),
+    suffixInflection('ся', 'ься', ['v1b'], ['v']),
+    suffixInflection('мся', 'ться', ['v1b'], ['v']),
+    suffixInflection('есь', 'ься', ['v1b'], ['v']),
+    suffixInflection('ятся', 'иться', ['v1b'], ['v'])
+];
+
+// Consonant changes
+// This is a consistent feature of the second conjugation -ить -еть
+
+// (2a) adding л to 1st p. sg.
+// любить, ставить, графить, кормить, топить
+const presentSuffixInflections2a = [
+    suffixInflection('лю', 'ить', ['v1a'], ['v']),
+    suffixInflection('шь', 'ть', ['v1a'], ['v']),
+    suffixInflection('', 'ь', ['v1a'], ['v']),
+    suffixInflection('м', 'ть', ['v1a'], ['v']),
+    suffixInflection('е', 'ь', ['v1a'], ['v']),
+    suffixInflection('ят', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('люсь', 'иться', ['v1b'], ['v']),
+    suffixInflection('шься', 'ться', ['v1b'], ['v']),
+    suffixInflection('ся', 'ься', ['v1b'], ['v']),
+    suffixInflection('мся', 'ться', ['v1b'], ['v']),
+    suffixInflection('есь', 'ься', ['v1b'], ['v']),
+    suffixInflection('ятся', 'иться', ['v1b'], ['v'])
+];
+
+// (2b) substituting ж to 1st p. sg. - д stem
+// гладить
+const presentSuffixInflections2b = [
+    suffixInflection('жу', 'дить', ['v1a'], ['v']),
+    suffixInflection('шь', 'ть', ['v1a'], ['v']),
+    suffixInflection('', 'ь', ['v1a'], ['v']),
+    suffixInflection('м', 'ть', ['v1a'], ['v']),
+    suffixInflection('е', 'ь', ['v1a'], ['v']),
+    suffixInflection('ят', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('жусь', 'диться', ['v1b'], ['v']),
+    suffixInflection('шься', 'ться', ['v1b'], ['v']),
+    suffixInflection('ся', 'ься', ['v1b'], ['v']),
+    suffixInflection('мся', 'ться', ['v1b'], ['v']),
+    suffixInflection('есь', 'ься', ['v1b'], ['v']),
+    suffixInflection('ятся', 'иться', ['v1b'], ['v'])
+];
+
+// (2c) substituting ж to 1st p. sg. - з stem
+// лазить
+const presentSuffixInflections2c = [
+    suffixInflection('жу', 'зить', ['v1a'], ['v']),
+    suffixInflection('шь', 'ть', ['v1a'], ['v']),
+    suffixInflection('', 'ь', ['v1a'], ['v']),
+    suffixInflection('м', 'ть', ['v1a'], ['v']),
+    suffixInflection('е', 'ь', ['v1a'], ['v']),
+    suffixInflection('ят', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('жусь', 'зиться', ['v1b'], ['v']),
+    suffixInflection('шься', 'ться', ['v1b'], ['v']),
+    suffixInflection('ся', 'ься', ['v1b'], ['v']),
+    suffixInflection('мся', 'ться', ['v1b'], ['v']),
+    suffixInflection('есь', 'ься', ['v1b'], ['v']),
+    suffixInflection('ятся', 'иться', ['v1b'], ['v'])
+];
+
+// (2d) substituting ш to 1st p. sg. - с stem
+// просить
+const presentSuffixInflections2d = [
+    suffixInflection('шу', 'сить', ['v1a'], ['v']),
+    suffixInflection('шь', 'ть', ['v1a'], ['v']),
+    suffixInflection('', 'ь', ['v1a'], ['v']),
+    suffixInflection('м', 'ть', ['v1a'], ['v']),
+    suffixInflection('е', 'ь', ['v1a'], ['v']),
+    suffixInflection('ят', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('шусь', 'ситься', ['v1b'], ['v']),
+    suffixInflection('шься', 'ться', ['v1b'], ['v']),
+    suffixInflection('ся', 'ься', ['v1b'], ['v']),
+    suffixInflection('мся', 'ться', ['v1b'], ['v']),
+    suffixInflection('есь', 'ься', ['v1b'], ['v']),
+    suffixInflection('ятся', 'иться', ['v1b'], ['v'])
+];
+
+// (2e) substituting ч to 1st p. sg. - т stem
+// платить
+const presentSuffixInflections2e = [
+    suffixInflection('чу', 'тить', ['v1a'], ['v']),
+    suffixInflection('шь', 'ть', ['v1a'], ['v']),
+    suffixInflection('', 'ь', ['v1a'], ['v']),
+    suffixInflection('м', 'ть', ['v1a'], ['v']),
+    suffixInflection('е', 'ь', ['v1a'], ['v']),
+    suffixInflection('ят', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('чусь', 'титься', ['v1b'], ['v']),
+    suffixInflection('шься', 'ться', ['v1b'], ['v']),
+    suffixInflection('ся', 'ься', ['v1b'], ['v']),
+    suffixInflection('мся', 'ться', ['v1b'], ['v']),
+    suffixInflection('есь', 'ься', ['v1b'], ['v']),
+    suffixInflection('ятся', 'иться', ['v1b'], ['v'])
+];
+
+// (2f) substituting щ to 1st p. sg. - т stem
+// прекратить (rarer than other mutation)
+const presentSuffixInflections2f = [
+    suffixInflection('щу', 'тить', ['v1a'], ['v']),
+    suffixInflection('шь', 'ть', ['v1a'], ['v']),
+    suffixInflection('', 'ь', ['v1a'], ['v']),
+    suffixInflection('м', 'ть', ['v1a'], ['v']),
+    suffixInflection('е', 'ь', ['v1a'], ['v']),
+    suffixInflection('ят', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('щусь', 'титься', ['v1b'], ['v']),
+    suffixInflection('шься', 'ться', ['v1b'], ['v']),
+    suffixInflection('ся', 'ься', ['v1b'], ['v']),
+    suffixInflection('мся', 'ться', ['v1b'], ['v']),
+    suffixInflection('есь', 'ься', ['v1b'], ['v']),
+    suffixInflection('ятся', 'иться', ['v1b'], ['v'])
+];
+
+// (2g) substituting щ to 1st p. sg. - ст stem
+// мстить
+const presentSuffixInflections2g = [
+    suffixInflection('щу', 'стить', ['v1a'], ['v']),
+    suffixInflection('шь', 'ть', ['v1a'], ['v']),
+    suffixInflection('', 'ь', ['v1a'], ['v']),
+    suffixInflection('м', 'ть', ['v1a'], ['v']),
+    suffixInflection('е', 'ь', ['v1a'], ['v']),
+    suffixInflection('ят', 'ить', ['v1a'], ['v']),
+
+    suffixInflection('щусь', 'ститься', ['v1b'], ['v']),
+    suffixInflection('шься', 'ться', ['v1b'], ['v']),
+    suffixInflection('ся', 'ься', ['v1b'], ['v']),
+    suffixInflection('мся', 'ться', ['v1b'], ['v']),
+    suffixInflection('есь', 'ься', ['v1b'], ['v']),
+    suffixInflection('ятся', 'иться', ['v1b'], ['v'])
+];
+
+
+// (2h) adding л to 1st p. sg. -еть ending
+// шуметь, храпеть
+const presentSuffixInflections2h = [
+    suffixInflection('лю', 'еть', ['v1a'], ['v']),
+    suffixInflection('ишь', 'еть', ['v1a'], ['v']),
+    suffixInflection('ит', 'еть', ['v1a'], ['v']),
+    suffixInflection('им', 'еть', ['v1a'], ['v']),
+    suffixInflection('ите', 'еть', ['v1a'], ['v']),
+    suffixInflection('ят', 'еть', ['v1a'], ['v']),
+
+    suffixInflection('люсь', 'еться', ['v1b'], ['v']),
+    suffixInflection('ишься', 'еться', ['v1b'], ['v']),
+    suffixInflection('ится', 'еться', ['v1b'], ['v']),
+    suffixInflection('имся', 'еться', ['v1b'], ['v']),
+    suffixInflection('итесь', 'еться', ['v1b'], ['v']),
+    suffixInflection('ятся', 'еться', ['v1b'], ['v'])
+];
+
+// (2i) substituting щ to 1st p. sg. - ст stem -еть ending
+// свистеть
+const presentSuffixInflections2i = [
+    suffixInflection('щу', 'стеть', ['v1a'], ['v']),
+    suffixInflection('ишь', 'еть', ['v1a'], ['v']),
+    suffixInflection('ит', 'еть', ['v1a'], ['v']),
+    suffixInflection('им', 'еть', ['v1a'], ['v']),
+    suffixInflection('ите', 'еть', ['v1a'], ['v']),
+    suffixInflection('ят', 'еть', ['v1a'], ['v']),
+
+    suffixInflection('щусь', 'стеться', ['v1b'], ['v']),
+    suffixInflection('ишься', 'еться', ['v1b'], ['v']),
+    suffixInflection('ится', 'еться', ['v1b'], ['v']),
+    suffixInflection('имся', 'еться', ['v1b'], ['v']),
+    suffixInflection('итесь', 'еться', ['v1b'], ['v']),
+    suffixInflection('ятся', 'еться', ['v1b'], ['v'])
+];
+
+// (3) Irregulars
+// (3a) бежать - г for 1st p. sg. & 3rd p. pl. - г stem
+const presentSuffixInflections3a = [
+    suffixInflection('гу', 'жать', ['v1a'], ['v']),
+    suffixInflection('ишь', 'ать', ['v1a'], ['v']),
+    suffixInflection('ит', 'ать', ['v1a'], ['v']),
+    suffixInflection('им', 'ать', ['v1a'], ['v']),
+    suffixInflection('ите', 'ать', ['v1a'], ['v']),
+    suffixInflection('гут', 'ать', ['v1a'], ['v']),
+
+    suffixInflection('гусь', 'жаться', ['v1b'], ['v']),
+    suffixInflection('ишься', 'аться', ['v1b'], ['v']),
+    suffixInflection('ится', 'аться', ['v1b'], ['v']),
+    suffixInflection('имся', 'аться', ['v1b'], ['v']),
+    suffixInflection('итесь', 'аться', ['v1b'], ['v']),
+    suffixInflection('гутся', 'жаться', ['v1b'], ['v'])
+];
+
+// (3b) есть 
+const presentSuffixInflections3b = [
+    suffixInflection('м', 'сть', ['v1a'], ['v']),
+    suffixInflection('шь', 'сть', ['v1a'], ['v']),
+    suffixInflection('', 'ь', ['v1a'], ['v']),
+    suffixInflection('дим', 'сть', ['v1a'], ['v']),
+    suffixInflection('дите', 'сть', ['v1a'], ['v']),
+    suffixInflection('дят', 'сть', ['v1a'], ['v']),
+
+    suffixInflection('мся', 'сться', ['v1a'], ['v']),
+    suffixInflection('шься', 'сться', ['v1a'], ['v']),
+    suffixInflection('ся', 'ься', ['v1a'], ['v']),
+    suffixInflection('димся', 'сться', ['v1a'], ['v']),
+    suffixInflection('дитесь', 'сться', ['v1a'], ['v']),
+    suffixInflection('дятся', 'сться', ['v1a'], ['v'])
+];
+
+// (3c) хотеть
+const presentSuffixInflections3c = [
+    suffixInflection('чу', 'теть', ['v1a'], ['v']),
+    suffixInflection('чешь', 'теть', ['v1a'], ['v']),
+    suffixInflection('ит', 'еть', ['v1a'], ['v']),
+    suffixInflection('им', 'еть', ['v1a'], ['v']),
+    suffixInflection('ите', 'еть', ['v1a'], ['v']),
+    suffixInflection('ят', 'еть', ['v1a'], ['v']),
+
+    suffixInflection('чусь', 'теться', ['v1a'], ['v']),
+    suffixInflection('чешься', 'теться', ['v1a'], ['v']),
+    suffixInflection('ится', 'еться', ['v1a'], ['v']),
+    suffixInflection('имся', 'еться', ['v1a'], ['v']),
+    suffixInflection('итесь', 'еться', ['v1a'], ['v']),
+    suffixInflection('ятся', 'еться', ['v1a'], ['v'])
+];
+
+// (3d) дать
+const presentSuffixInflections3d = [
+    suffixInflection('м', 'ть', ['v1a'], ['v']),
+    suffixInflection('шь', 'ть', ['v1a'], ['v']),
+    suffixInflection('ст', 'ть', ['v1a'], ['v']),
+    suffixInflection('дим', 'ть', ['v1a'], ['v']),
+    suffixInflection('дите', 'ть', ['v1a'], ['v']),
+    suffixInflection('дут', 'ть', ['v1a'], ['v']),
+
+    suffixInflection('мся', 'ться', ['v1a'], ['v']),
+    suffixInflection('шься', 'ться', ['v1a'], ['v']),
+    suffixInflection('стся', 'ться', ['v1a'], ['v']),
+    suffixInflection('димся', 'ться', ['v1a'], ['v']),
+    suffixInflection('дитесь', 'ться', ['v1a'], ['v']),
+    suffixInflection('дутся', 'ться', ['v1a'], ['v'])
+];
+
+// To be added:
+// Consonant variations ж, ч, ш, щ, where у and а replace ю and я
+// Stress variations: ё/е
\ No newline at end of file