-th a-a a-b a-c a-t aaa aab aac aah aak aam aao aat ab- aba abb abc abh abk abm abo abt ac- aca acb acc ach ack acm aco act aha ahb ahc ahh ahk ahm aho aht aka akb akc akh akk akm ako ama amb amc amh amk amm amo amt aoa aob aoc aoh aok aom aoo aot at- ata atb atc ath atm ato att baa bab bac bah bak bam bao bat bba bbb bbc bbh bbk bbm bbo bbt bca bcb bcc bch bck bcm bco bct bha bhb bhc bhh bhk bhm bho bht bka bkb bkc bkk bkm bko bkt bma bmb bmc bmh bmk bmm bmo bmt boa bob boc boh bok bom boo bot bta btb btc bth btk btm bto btt c-- caa cab cac cah cak cam cao cat cba cbb cbc cbh cbk cbm cbo cbt cca ccb ccc cch cck ccm cco cct ch- cha chb chc chh chk chm cho cht cka ckb ckc ckh ckm cko ckt cma cmb cmc cmh cmk cmm cmo cmt co- coa cob coc coh cok com coo cot cta ctb ctc cth ctk ctm cto ctt haa hab hac hah hak ham hao hat hba hbb hbc hbh hbk hbm hbo hbt hca hcb hcc hch hck hcm hco hct hha hhb hhc hhh hhk hhm hho hht hka hkb hkh hkk hkm hko hkt hma hmb hmc hmh hmk hmm hmo hmt hoa hob hoc hoh hok hom hoo hot hta htb htc hth htk htm hto htt k-t ka- kaa kab kac kah kak kam kao kat kba kbb kbc kbh kbk kbm kbo kca kcb kcc kch kck kcm kct kha khh khk khm kho kkb kkc kkh kkk kkm kkt kma kmb kmc kmh kmk kmm kmo kmt koa kob koc koh kok kom koo kot kta ktb ktc kth ktk ktm kto ktt m-o maa mab mac mah mak mam mao mat mba mbb mbc mbh mbk mbm mbo mbt mc- mca mcb mcc mch mck mcm mco mct mha mhc mhh mhk mhm mho mht mka mkb mkc mkh mkk mkm mko mkt mma mmb mmc mmh mmk mmm mmo mmt moa mob moc moh mok mom moo mot mta mtb mtc mth mtk mtm mto mtt oaa oab oac oah oak oam oao oat ob- oba obb obc obh obk obm obo obt oc- oca ocb occ och ock ocm oco oct oha ohc ohh ohm oho oht oka okb okc okk oko om- oma omb omc omh omm omo omt oo- ooa oob ooc ooh ook oom ooo oot ot- ota otb otc oth otk otm oto ott taa tab tac tah tak tam tao tat tba tbb tbc tbh tbk tbm tbo tbt tca tcb tcc tch tck tcm tco tct th- tha thb thc thh thk thm tho tht tka tkb tkc tkk tkm tko tkt tma tmb tmc tmh tmk tmm tmo tmt to- toa tob toc toh tok tom too tot tta ttb ttc tth ttk ttm tto ttt