-th a-a a-b a-t aaa aab aad aag aah aat ab- aba abb abd abg abh abt ad- ada adb add adg adh adt ag- aga agb agd agg agh agt aha ahb ahd ahg ahh aht at- ata atb atd atg ath att baa bab bad bag bah bat bba bbb bbd bbg bbh bbt bda bdb bdd bdg bdh bdt bga bgb bgd bgg bgh bgt bha bhb bhd bhg bhh bht bta btb btd btg bth btt daa dab dad dag dah dat dba dbb dbd dbg dbh dbt dda ddb ddd ddg ddh ddt dga dgd dgg dgh dgt dh- dha dhb dhd dhh dht dta dtb dtd dtg dth dtt g-d gaa gab gad gag gah gat gba gbd gbg gbh gbt gda gdb gdd gdh gdt gga ggb ggd ggg ggh ggt gha ghb ghd ghg ghh ght gta gtb gtd gtg gth gtt haa hab had hag hah hat hba hbb hbd hbg hbh hbt hda hdb hdd hdg hdh hdt hga hgb hgg hgh hgt hha hhb hhd hhg hhh hht hta htb htd htg hth htt taa tab tad tag tah tat tba tbb tbd tbg tbh tbt tda tdb tdd tdg tdh tdt tga tgb tgg tgh tgt th- tha thb thd thg thh tht tta ttb ttd ttg tth ttt