-ey -th a-a a-b a-t aaa aab aad aae aah aat aay ab- aba abb abd abe abh abt aby ad- ada adb add ade adh adt ady aea aeb aed aee aeh aet aey aha ahb ahd ahe ahh aht ahy at- ata atb atd ate ath att ay- aya ayd aye ayh ayt baa bab bad bae bah bat bay bba bbb bbd bbe bbh bbt bby bda bdb bdd bde bdh bdt bdy be- bea beb bed bee beh bet bey bha bhb bhd bhe bhh bht bta btb btd bte bth btt bty by- bya byd bye byh byt daa dab dad dae dah dat day dba dbb dbd dbe dbh dbt dby dda ddb ddd dde ddh ddt ddy de- dea deb ded dee deh det dey dh- dha dhb dhd dhe dhh dht dta dtb dtd dte dth dtt dty dy- dya dyb dyd dye dyy eaa eab ead eae eah eat eba ebb ebd ebe ebh ebt eby ed- eda edb edd ede edh edt edy eea eeb eed eee eet eey eha ehb ehd ehe ehh eht eta etb etd ete eth ett ety eya eyd eye eyt haa hab had hae hah hat hay hba hbb hbd hbe hbh hbt hby hda hdb hdd hde hdh hdt hdy he- hea heb hed hee heh het hey hha hhb hhd hhe hhh hht hhy hta htb htd hte hth htt hty hy- hya hyb hyd hye hyh hyt hyy taa tab tad tae tah tat tay tba tbb tbd tbe tbh tbt tda tdb tdd tde tdh tdt tdy te- tea teb ted tee teh tet tey th- tha thb thd the thh tht thy tta ttb ttd tte tth ttt tty tya tyd tye tyt yaa yab yad yae yah yat yay ybe yby yda yde ydt ydy yea yeb yed yee yeh yet yey yha yhe yht yta ytd yte yth ytt yyb yye yyt yyy