-th a-a a-b a-t a-z aaa aab aad aae aah aat aaz ab- aba abb abd abe abh abt abz ad- ada adb add ade adh adt adz aea aeb aed aee aeh aet aez aha ahb ahd ahe ahh aht ahz at- ata atb atd ate ath att atz az- aza azb azd aze azt azz baa bab bad bae bah bat baz bba bbb bbd bbe bbh bbt bda bdb bdd bde bdh bdt bdz be- bea beb bed bee beh bet bez bha bhb bhd bhe bhh bht bta btb btd bte bth btt btz bza bzd bze bzh bzz daa dab dad dae dah dat daz dba dbb dbd dbe dbh dbt dbz dda ddb ddd dde ddh ddt ddz de- dea deb ded dee deh det dez dh- dha dhb dhd dhe dhh dht dta dtb dtd dte dth dtt dtz dza dzb dzd dze eaa eab ead eae eah eat eaz eba ebb ebd ebe ebh ebt ed- eda edb edd ede edh edt eea eeb eed eee eet eha ehb ehd ehe ehh eht eta etb etd ete eth ett etz eze ezh ezz haa hab had hae hah hat haz hba hbb hbd hbe hbh hbt hbz hda hdb hdd hde hdh hdt hdz he- hea heb hed hee heh het hez hha hhb hhd hhe hhh hht hhz hta htb htd hte hth htt htz hzd hze hzt taa tab tad tae tah tat taz tba tbb tbd tbe tbh tbt tbz tda tdb tdd tde tdh tdt te- tea teb ted tee teh tet tez th- tha thb thd the thh tht thz tta ttb ttd tte tth ttt tza tzd tze zaa zab zad zah zat zaz zbb zbt zdt zea zeb zed zee zeh zet zez zha zhe zta zte zzt zzz