a-a a-b a-i aaa aab aad aah aai aay ab- aba abb abd abh abi aby ad- ada adb add adh adi ady aha ahb ahd ahh ahi ahy ai- aia aib aid aih aii aiy ay- aya ayd ayh ayi baa bab bad bah bai bay bba bbb bbd bbh bbi bby bda bdb bdd bdh bdi bdy bha bhb bhd bhh bhi bi- bia bib bid bih bii biy by- bya byd byh byi daa dab dad dah dai day dba dbb dbd dbh dbi dby dda ddb ddd ddh ddi ddy dh- dha dhb dhd dhh dhi di- dia dib did dih dii diy dy- dya dyb dyd dyy h-i haa hab had hah hai hay hba hbb hbd hbh hbi hby hda hdb hdd hdh hdi hdy hha hhb hhd hhh hhi hhy hia hib hid hih hii hy- hya hyb hyd hyh hyi hyy i-d ia- iaa iab iad iah iai iba ibb ibd ibh ibi iby ida idb idd idh idi idy iha ihb ihd ihh ihi ihy iia iib iid iih iii iya iyy yaa yab yad yah yai yay ybi yby yda ydy yha yhi yid yih yii yyb yyy