a-a a-b aaa aab aag aan aau aay ab- aba abb abg abn abu aby ag- aga agb agg agn agu agy an- ana anb ang ann anu any au- aua aub aug aun ay- aya ayn ayu b-u baa bab bag ban bau bay bba bbb bbg bbn bbu bby bga bgb bgg bgn bgu bna bnb bng bnn bnu bua bub bug bun buu buy by- bya byg byn byu gaa gab gag gan gau gay gba gbg gbn gbu gby gga ggb ggg ggn ggu gna gnb gnn gnu gu- gua gub gug gun guu guy gy- gya gyb gyn naa nab nag nan nau nay nba nbb nbg nbn nbu nga ngb ngg ngn ngu nna nnb nng nnn nnu nua nub nug nun nuu nuy nya nyg nyn nyu nyy ua- uaa uab uag uan uau uay uba ubb ubg ubn ubu uby uga ugb ugg ugn ugu un- una unb ung unn unu uny uua uug uun uuu uyu yaa yab yag yan yau yay ybg yby yga yna yng ynn ynu yny yua yug yun yuu yuy yyb yyg yyu yyy