a-a a-b aaa aab aad aah aan aau aay ab- aba abb abd abh abn abu aby ad- ada adb add adh adn adu ady aha ahb ahd ahh ahn ahu ahy an- ana anb and anh ann anu any au- aua aub aud auh aun ay- aya ayd ayh ayn ayu b-u baa bab bad bah ban bau bay bba bbb bbd bbh bbn bbu bby bda bdb bdd bdh bdu bdy bha bhb bhd bhh bhu bna bnb bnd bnn bnu bua bub bud buh bun buu buy by- bya byd byh byn byu daa dab dad dah dan dau day dba dbb dbd dbh dbn dbu dby dda ddb ddd ddh ddn ddu ddy dh- dha dhb dhd dhh dhu dna dnb dnd dnh dnn dny dua dub dud duh dun duy dy- dya dyb dyd dyn dyu dyy haa hab had hah han hau hay hba hbb hbd hbh hbn hbu hby hda hdb hdd hdh hdn hdu hdy hha hhb hhd hhh hhn hhu hhy hna hnb hnd hnh hnn hnu hny hua hub hud huh hun huu huy hy- hya hyb hyd hyh hyn hyy naa nab nad nah nan nau nay nba nbb nbd nbn nbu nda ndb ndd ndh ndn ndu ndy nha nhb nhd nhh nhn nhu nhy nna nnb nnh nnn nnu nua nub nud nuh nun nuu nuy nya nyd nyn nyu nyy ua- uaa uab uad uah uan uau uay uba ubb ubh ubn ubu uby uda udb udd udn udu uha uhb uhd uhh uhu uhy un- una unb und unh unn unu uny uua uun uuu uyu yaa yab yad yah yan yau yay yby yda ydn ydy yha yhu yna ynd ynn ynu yny yua yud yuh yun yuu yuy yyb yyu yyy