-th a-a a-b a-t aaa aab aad aag aah aas aat ab- aba abb abd abg abh abs abt ad- ada adb add adg adh ads adt ag- aga agb agd agg agh ags agt aha ahb ahd ahg ahh ahs aht as- asa asb asd asg ash ass ast at- ata atb atd atg ath ats att baa bab bad bag bah bas bat bba bbb bbd bbg bbh bbs bbt bda bdb bdd bdg bdh bds bdt bga bgb bgd bgg bgh bgs bgt bha bhb bhd bhg bhh bhs bht bsa bsb bsd bsg bsh bss bst bta btb btd btg bth bts btt daa dab dad dag dah das dat dba dbb dbd dbg dbh dbs dbt dda ddb ddd ddg ddh dds ddt dga dgd dgg dgh dgs dgt dh- dha dhb dhd dhh dhs dht dsa dsb dsd dsg dsh dss dst dta dtb dtd dtg dth dts dtt g-d gaa gab gad gag gah gas gat gba gbd gbg gbh gbs gbt gda gdb gdd gdh gds gdt gga ggb ggd ggg ggh ggs ggt gha ghb ghd ghg ghh ghs ght gsa gsb gsd gsg gss gst gta gtb gtd gtg gth gts gtt haa hab had hag hah has hat hba hbb hbd hbg hbh hbs hbt hda hdb hdd hdg hdh hds hdt hga hgb hgg hgh hgs hgt hha hhb hhd hhg hhh hhs hht hsa hsb hsd hsg hsh hss hst hta htb htd htg hth hts htt saa sab sad sag sah sas sat sba sbb sbd sbg sbh sbs sbt sda sdb sdd sdg sdh sds sdt sga sgb sgd sgg sgh sgs sgt sh- sha shb shd shg shh shs sht ss- ssa ssb ssd ssg ssh sss sst sta stb std stg sth sts stt taa tab tad tag tah tas tat tba tbb tbd tbg tbh tbs tbt tda tdb tdd tdg tdh tds tdt tga tgb tgg tgh tgs tgt th- tha thb thd thg thh ths tht tsa tsb tsd tsg tsh tss tst tta ttb ttd ttg tth tts ttt