a-a a-b aaa aab aag aak aan aau aay ab- aba abb abg abk abn abu aby ag- aga agb agg agk agn agu agy aka akb akg akk akn aku an- ana anb ang ank ann anu any au- aua aub aug auk aun ay- aya ayk ayn ayu b-u baa bab bag bak ban bau bay bba bbb bbg bbk bbn bbu bby bga bgb bgg bgk bgn bgu bka bkb bkg bkk bkn bna bnb bng bnk bnn bnu bua bub bug buk bun buu buy by- bya byg byk byn byu gaa gab gag gak gan gau gay gba gbg gbk gbn gbu gby gga ggb ggg ggn ggu gka gkb gkn gna gnb gnn gnu gu- gua gub gug guk gun guu guy gy- gya gyb gyn ka- kaa kab kag kak kan kau kay kba kbb kbk kbn kbu kga kgb kgu kgy kkb kkk kkn kku kky kn- kna kng knk knn knu kub kug kuk kun kuu kuy kya kyn kyu naa nab nag nak nan nau nay nba nbb nbg nbk nbn nbu nga ngb ngg ngk ngn ngu nka nkk nkn nku nky nna nnb nng nnk nnn nnu nua nub nug nuk nun nuu nuy nya nyg nyk nyn nyu nyy ua- uaa uab uag uak uan uau uay uba ubb ubg ubk ubn ubu uby uga ugb ugg ugk ugn ugu uka ukb ukk ukn uku un- una unb ung unk unn unu uny uua uug uun uuu uyu yaa yab yag yak yan yau yay ybg yby yga yka ykk ykn yna yng ynk ynn ynu yny yua yug yuk yun yuu yuy yyb yyg yyu yyy