a-a a-b a-i aaa aab aah aai aas aay ab- aba abb abh abi abs aby aha ahb ahh ahi ahs ahy ai- aia aib aih aii ais aiy as- asa asb ash asi ass asy ay- aya ayh ayi ays baa bab bah bai bas bay bba bbb bbh bbi bbs bby bha bhb bhh bhi bhs bi- bia bib bih bii bis biy bsa bsb bsh bsi bss bsy by- bya byh byi bys h-i haa hab hah hai has hay hba hbb hbh hbi hbs hby hha hhb hhh hhi hhs hhy hia hib hih hii his hsa hsb hsh hsi hss hsy hy- hya hyb hyh hyi hys hyy ia- iaa iab iah iai ias iba ibb ibh ibi ibs iby iha ihb ihh ihi ihs ihy iia iib iih iii iis is- isa isb ish isi iss isy iya iys iyy saa sab sah sai sas say sba sbb sbh sbi sbs sby sh- sha shb shh shi shs shy sia sib sih sii sis ss- ssa ssb ssh ssi sss sy- sya syb syh syi sys yaa yab yah yai yas yay ybi ybs yby yha yhi yhs yih yii yis ysa ysb ysi yss ysy yyb yys yyy