-th a-a a-b a-i a-t aaa aab aag aah aai aak aao aat ab- aba abb abg abh abi abk abo abt ag- aga agb agg agh agi agk ago agt aha ahb ahg ahh ahi ahk aho aht ai- aia aib aig aih aii aik aio ait aka akb akg akh aki akk ako aoa aob aog aoh aoi aok aoo aot at- ata atb atg ath ati ato att baa bab bag bah bai bak bao bat bba bbb bbg bbh bbi bbk bbo bbt bga bgb bgg bgh bgi bgk bgo bgt bha bhb bhg bhh bhi bhk bho bht bi- bia bib big bih bii bik bio bit bka bkb bkg bkk bko bkt boa bob bog boh boi bok boo bot bta btb btg bth bti btk bto btt gaa gab gag gah gai gak gao gat gba gbg gbh gbi gbk gbo gbt gga ggb ggg ggh ggi ggo ggt gha ghb ghg ghh ghi gho ght gia gib gig gih gii gik gio git gka gkb gkh gko gkt goa gob gog goh goi gok goo got gta gtb gtg gth gti gtk gto gtt h-i haa hab hag hah hai hak hao hat hba hbb hbg hbh hbi hbk hbo hbt hga hgb hgg hgh hgi hgk hgo hgt hha hhb hhg hhh hhi hhk hho hht hia hib hig hih hii hik hio hit hka hkb hkg hkh hki hkk hko hkt hoa hob hog hoh hoi hok hoo hot hta htb htg hth hti htk hto htt ia- iaa iab iag iah iai iao iat iba ibb ibg ibh ibi ibk ibo ibt iga igb igg igh igi igk igo igt iha ihb ihg ihh ihi ihk iho iht iia iib iih iii iio iit ika ikb iki ikk iko ikt io- ioa iob iog ioh ioi ioo iot ita itb itg ith iti itk ito itt k-t ka- kaa kab kag kah kai kak kao kat kba kbb kbh kbi kbk kbo kga kgb kgh kgi kgo kha khh khi khk kho kia kib kig kih kii kik kio kit kkb kkh kki kkk kkt koa kob kog koh koi kok koo kot kta ktb ktg kth ktk kto ktt o-i oaa oab oag oah oai oak oao oat ob- oba obb obg obh obi obk obo obt oga ogg ogh ogi ogo ogt oha ohg ohh ohi oho oht oia oib oii oik oio oit oka okb okg oki okk oko oo- ooa oob oog ooh ooi ook ooo oot ot- ota otb otg oth oti otk oto ott taa tab tag tah tai tak tao tat tba tbb tbg tbh tbi tbk tbo tbt tga tgb tgg tgh tgi tgk tgo tgt th- tha thb thg thh thi thk tho tht tia tib tig tih tii tik tio tit tka tkb tkg tkk tko tkt to- toa tob tog toh toi tok too tot tta ttb ttg tth tti ttk tto ttt