-th a-a a-b a-t aaa aab aad aag aah aao aat ab- aba abb abd abg abh abo abt ad- ada adb add adg adh ado adt ag- aga agb agd agg agh ago agt aha ahb ahd ahg ahh aho aht aoa aob aod aog aoh aoo aot at- ata atb atd atg ath ato att baa bab bad bag bah bao bat bba bbb bbd bbg bbh bbo bbt bda bdb bdd bdg bdh bdo bdt bga bgb bgd bgg bgh bgo bgt bha bhb bhd bhg bhh bho bht boa bob bod bog boh boo bot bta btb btd btg bth bto btt daa dab dad dag dah dao dat dba dbb dbd dbg dbh dbo dbt dda ddb ddd ddg ddh ddo ddt dga dgd dgg dgh dgt dh- dha dhb dhd dhh dho dht doa dob dod dog doh doo dot dta dtb dtd dtg dth dto dtt g-d gaa gab gad gag gah gao gat gba gbd gbg gbh gbo gbt gda gdb gdd gdh gdo gdt gga ggb ggd ggg ggh ggo ggt gha ghb ghd ghg ghh gho ght goa gob god gog goh goo got gta gtb gtd gtg gth gto gtt haa hab had hag hah hao hat hba hbb hbd hbg hbh hbo hbt hda hdb hdd hdg hdh hdo hdt hga hgb hgg hgh hgo hgt hha hhb hhd hhg hhh hho hht hoa hob hod hog hoh hoo hot hta htb htd htg hth hto htt oaa oab oad oag oah oao oat ob- oba obb obd obg obh obo obt oda odb odd odg odh odo odt oga ogd ogg ogh ogo ogt oha ohd ohg ohh oho oht oo- ooa oob ood oog ooh ooo oot ot- ota otb otd otg oth oto ott taa tab tad tag tah tao tat tba tbb tbd tbg tbh tbo tbt tda tdb tdd tdg tdh tdo tdt tga tgb tgg tgh tgo tgt th- tha thb thd thg thh tho tht to- toa tob tod tog toh too tot tta ttb ttd ttg tth tto ttt