-th a-a a-b a-i a-t aaa aab aag aah aai aao aas aat ab- aba abb abg abh abi abo abs abt ag- aga agb agg agh agi ago ags agt aha ahb ahg ahh ahi aho ahs aht ai- aia aib aig aih aii aio ais ait aoa aob aog aoh aoi aoo aos aot as- asa asb asg ash asi aso ass ast at- ata atb atg ath ati ato ats att baa bab bag bah bai bao bas bat bba bbb bbg bbh bbi bbo bbs bbt bga bgb bgg bgh bgi bgo bgs bgt bha bhb bhg bhh bhi bho bhs bht bi- bia bib big bih bii bio bis bit boa bob bog boh boi boo bos bot bsa bsb bsg bsh bsi bso bss bst bta btb btg bth bti bto bts btt gaa gab gag gah gai gao gas gat gba gbg gbh gbi gbo gbs gbt gga ggb ggg ggh ggi ggo ggs ggt gha ghb ghg ghh ghi gho ghs ght gia gib gig gih gii gio gis git goa gob gog goh goi goo gos got gsa gsb gsg gsi gso gss gst gta gtb gtg gth gti gto gts gtt h-i haa hab hag hah hai hao has hat hba hbb hbg hbh hbi hbo hbs hbt hga hgb hgg hgh hgi hgo hgs hgt hha hhb hhg hhh hhi hho hhs hht hia hib hig hih hii hio his hit hoa hob hog hoh hoi hoo hos hot hsa hsb hsg hsh hsi hss hst hta htb htg hth hti hto hts htt ia- iaa iab iag iah iai iao ias iat iba ibb ibg ibh ibi ibo ibs ibt iga igb igg igh igi igo igs igt iha ihb ihg ihh ihi iho ihs iht iia iib iih iii iio iis iit io- ioa iob iog ioh ioi ioo ios iot is- isa isb isg ish isi iso iss ist ita itb itg ith iti ito its itt o-i oaa oab oag oah oai oao oas oat ob- oba obb obg obh obi obo obs obt oga ogg ogh ogi ogo ogs ogt oha ohg ohh ohi oho ohs oht oia oib oii oio ois oit oo- ooa oob oog ooh ooi ooo oos oot os- osa osb osg osh osi oso oss ost ot- ota otb otg oth oti oto ots ott saa sab sag sah sai sao sas sat sba sbb sbg sbh sbi sbo sbs sbt sga sgb sgg sgh sgi sgo sgs sgt sh- sha shb shg shh shi sho shs sht sia sib sig sih sii sio sis sit soa sob sog soh soi soo sos sot ss- ssa ssb ssg ssh ssi sso sss sst sta stb stg sth sti sto sts stt taa tab tag tah tai tao tas tat tba tbb tbg tbh tbi tbo tbs tbt tga tgb tgg tgh tgi tgo tgs tgt th- tha thb thg thh thi tho ths tht tia tib tig tih tii tio tis tit to- toa tob tog toh toi too tos tot tsa tsb tsg tsh tsi tso tss tst tta ttb ttg tth tti tto tts ttt