a-a a-b aaa aab aad aah aar aau aay ab- aba abb abd abh abr abu aby ad- ada adb add adh adr adu ady aha ahb ahd ahh ahr ahu ahy ar- ara arb ard arh arr aru ary au- aua aub aud auh aur ay- aya ayd ayh ayr ayu b-u baa bab bad bah bar bau bay bba bbb bbd bbh bbr bbu bby bda bdb bdd bdh bdr bdu bdy bha bhb bhd bhh bhr bhu bra brb brd brh brr bru bry bua bub bud buh bur buu buy by- bya byd byh byr byu daa dab dad dah dar dau day dba dbb dbd dbh dbr dbu dby dda ddb ddd ddh ddr ddu ddy dh- dha dhb dhd dhh dhr dhu dra drb drd drr dru dry dua dub dud duh dur duy dy- dya dyb dyd dyr dyu dyy haa hab had hah har hau hay hba hbb hbd hbh hbr hbu hby hda hdb hdd hdh hdr hdu hdy hha hhb hhd hhh hhr hhu hhy hr- hra hrb hrd hrh hrr hru hua hub hud huh hur huu huy hy- hya hyb hyd hyh hyr hyy ra- raa rab rad rah rar rau ray rba rbb rbd rbh rbr rbu rda rdb rdd rdh rdr rdu rdy rh- rha rhb rhd rhh rhr rhu rra rrb rrd rrh rrr rru rua rub rud ruh rur ruu ruy ry- rya ryd ryr ryu ryy ua- uaa uab uad uah uar uau uay uba ubb ubh ubr ubu uby uda udb udd udr udu uha uhb uhd uhh uhr uhu uhy ur- ura urb urd urr uru ury uua uur uuu uyu yaa yab yad yah yar yau yay ybr yby yda ydy yha yhu yra yru yua yud yuh yur yuu yuy yyb yyu yyy