a-a a-b a-z aaa aab aag aah aan aau aaz ab- aba abb abg abh abn abu abz ag- aga agb agg agh agn agu agz aha ahb ahg ahh ahn ahu ahz an- ana anb ang anh ann anu anz au- aua aub aug auh aun auz az- aza azb azg azn azu azz b-u baa bab bag bah ban bau baz bba bbb bbg bbh bbn bbu bga bgb bgg bgh bgn bgu bgz bha bhb bhg bhh bhu bna bnb bng bnn bnu bnz bua bub bug buh bun buu buz bza bzh bzn bzu bzz gaa gab gag gah gan gau gaz gba gbg gbh gbn gbu gbz gga ggb ggg ggh ggn ggu ggz gha ghb ghg ghh ghn ghz gna gnb gnn gnu gu- gua gub gug gun guu guz gza gzu haa hab hag hah han hau haz hba hbb hbg hbh hbn hbu hbz hga hgb hgg hgh hgn hgu hha hhb hhg hhh hhn hhu hhz hna hnb hng hnh hnn hnu hnz hua hub hug huh hun huu huz naa nab nag nah nan nau naz nba nbb nbg nbn nbu nga ngb ngg ngh ngn ngu nha nhb nhg nhh nhn nhu nhz nna nnb nng nnh nnn nnu nnz nua nub nug nuh nun nuu nzb nzg nzz ua- uaa uab uag uah uan uau uaz uba ubb ubg ubh ubn ubu uga ugb ugg ugh ugn ugu uha uhb uhh uhu un- una unb ung unh unn unu uua uug uun uuu uza uzb uzh uzu z-g zaa zab zag zah zan zaz zbb zgb zgg zha zhu znn zub zug zun zuz zzz