-th a-a a-b a-t aaa aab aad aae aag aah aat ab- aba abb abd abe abg abh abt ad- ada adb add ade adg adh adt aea aeb aed aee aeg aeh aet ag- aga agb agd age agg agh agt aha ahb ahd ahe ahg ahh aht at- ata atb atd ate atg ath att baa bab bad bae bag bah bat bba bbb bbd bbe bbg bbh bbt bda bdb bdd bde bdg bdh bdt be- bea beb bed bee beg beh bet bga bgb bgd bge bgg bgh bgt bha bhb bhd bhe bhg bhh bht bta btb btd bte btg bth btt daa dab dad dae dag dah dat dba dbb dbd dbe dbg dbh dbt dda ddb ddd dde ddg ddh ddt de- dea deb ded dee deg deh det dga dgd dge dgg dgh dgt dh- dha dhb dhd dhe dhh dht dta dtb dtd dte dtg dth dtt eaa eab ead eae eag eah eat eba ebb ebd ebe ebg ebh ebt ed- eda edb edd ede edg edh edt eea eeb eed eee eeg eet ega egb egd ege egg egh egt eha ehb ehd ehe ehg ehh eht eta etb etd ete etg eth ett g-d gaa gab gad gae gag gah gat gba gbd gbe gbg gbh gbt gda gdb gdd gde gdh gdt ge- gea geb ged gee geg geh get gga ggb ggd ggg ggh ggt gha ghb ghd ghe ghg ghh ght gta gtb gtd gte gtg gth gtt haa hab had hae hag hah hat hba hbb hbd hbe hbg hbh hbt hda hdb hdd hde hdg hdh hdt he- hea heb hed hee heg heh het hga hgb hge hgg hgh hgt hha hhb hhd hhe hhg hhh hht hta htb htd hte htg hth htt taa tab tad tae tag tah tat tba tbb tbd tbe tbg tbh tbt tda tdb tdd tde tdg tdh tdt te- tea teb ted tee teg teh tet tga tgb tge tgg tgh tgt th- tha thb thd the thg thh tht tta ttb ttd tte ttg tth ttt