-th a-a a-b a-i a-t aaa aab aah aai aak aat aay ab- aba abb abh abi abk abt aby aha ahb ahh ahi ahk aht ahy ai- aia aib aih aii aik ait aiy aka akb akh aki akk at- ata atb ath ati att ay- aya ayh ayi ayk ayt baa bab bah bai bak bat bay bba bbb bbh bbi bbk bbt bby bha bhb bhh bhi bhk bht bi- bia bib bih bii bik bit biy bka bkb bkk bkt bta btb bth bti btk btt bty by- bya byh byi byk byt h-i haa hab hah hai hak hat hay hba hbb hbh hbi hbk hbt hby hha hhb hhh hhi hhk hht hhy hia hib hih hii hik hit hka hkb hkh hki hkk hkt hta htb hth hti htk htt hty hy- hya hyb hyh hyi hyt hyy ia- iaa iab iah iai iat iba ibb ibh ibi ibk ibt iby iha ihb ihh ihi ihk iht ihy iia iib iih iii iit ika ikb iki ikk ikt ita itb ith iti itk itt ity iya iyt iyy k-t ka- kaa kab kah kai kak kat kay kba kbb kbh kbi kbk kha khh khi khk kia kib kih kii kik kit kkb kkh kki kkk kkt kky kta ktb kth ktk ktt kya kyt taa tab tah tai tak tat tay tba tbb tbh tbi tbk tbt th- tha thb thh thi thk tht thy tia tib tih tii tik tit tiy tka tkb tkk tkt tky tta ttb tth tti ttk ttt tty tya tyt yaa yab yah yai yak yat yay ybi yby yha yhi yht yih yii yit yka yki ykk yta yth ytk ytt yyb yyt yyy