a-a a-b a-z aaa aab aad aah aan aau aaz ab- aba abb abd abh abn abu abz ad- ada adb add adh adn adu adz aha ahb ahd ahh ahn ahu ahz an- ana anb and anh ann anu anz au- aua aub aud auh aun auz az- aza azb azd azn azu azz b-u baa bab bad bah ban bau baz bba bbb bbd bbh bbn bbu bda bdb bdd bdh bdu bdz bha bhb bhd bhh bhu bna bnb bnd bnn bnu bnz bua bub bud buh bun buu buz bza bzd bzh bzn bzu bzz daa dab dad dah dan dau daz dba dbb dbd dbh dbn dbu dbz dda ddb ddd ddh ddn ddu ddz dh- dha dhb dhd dhh dhu dna dnb dnd dnh dnn dnz dua dub dud duh dun duz dza dzb dzd dzu haa hab had hah han hau haz hba hbb hbd hbh hbn hbu hbz hda hdb hdd hdh hdn hdu hdz hha hhb hhd hhh hhn hhu hhz hna hnb hnd hnh hnn hnu hnz hua hub hud huh hun huu huz hzd naa nab nad nah nan nau naz nba nbb nbd nbn nbu nda ndb ndd ndh ndn ndu nha nhb nhd nhh nhn nhu nhz nna nnb nnh nnn nnu nnz nua nub nud nuh nun nuu nzb nzd nzz ua- uaa uab uad uah uan uau uaz uba ubb ubh ubn ubu uda udb udd udn udu uha uhb uhd uhh uhu un- una unb und unh unn unu uua uun uuu uza uzb uzh uzu zaa zab zad zah zan zaz zbb zha zhu znd znn zub zud zun zuz zzz