-ey -th a-a a-b a-t aaa aab aae aah aat aay ab- aba abb abe abh abt aby aea aeb aee aeh aet aey aha ahb ahe ahh aht ahy at- ata atb ate ath att ay- aya aye ayh ayt baa bab bae bah bat bay bba bbb bbe bbh bbt bby be- bea beb bee beh bet bey bha bhb bhe bhh bht bta btb bte bth btt bty by- bya bye byh byt eaa eab eae eah eat eba ebb ebe ebh ebt eby eea eeb eee eet eey eha ehb ehe ehh eht eta etb ete eth ett ety eya eye eyt haa hab hae hah hat hay hba hbb hbe hbh hbt hby he- hea heb hee heh het hey hha hhb hhe hhh hht hhy hta htb hte hth htt hty hy- hya hyb hye hyh hyt hyy taa tab tae tah tat tay tba tbb tbe tbh tbt te- tea teb tee teh tet tey th- tha thb the thh tht thy tta ttb tte tth ttt tty tya tye tyt yaa yab yae yah yat yay ybe yby yea yeb yee yeh yet yey yha yhe yht yta yte yth ytt yyb yye yyt yyy