-th a-a a-b a-c a-t aaa aab aac aah aak aam aat ab- aba abb abc abh abk abm abt ac- aca acb acc ach ack acm act aha ahb ahc ahh ahk ahm aht aka akb akc akh akk akm ama amb amc amh amk amm amt at- ata atb atc ath atm att baa bab bac bah bak bam bat bba bbb bbc bbh bbk bbm bbt bca bcb bcc bch bck bcm bct bha bhb bhc bhh bhk bhm bht bka bkb bkc bkk bkm bkt bma bmb bmc bmh bmk bmm bmt bta btb btc bth btk btm btt c-- caa cab cac cah cak cam cat cba cbb cbc cbh cbk cbm cbt cca ccb ccc cch cck ccm cct ch- cha chb chc chh chk chm cht cka ckb ckc ckh ckm ckt cma cmb cmc cmh cmk cmm cmt cta ctb ctc cth ctk ctm ctt haa hab hac hah hak ham hat hba hbb hbc hbh hbk hbm hbt hca hcb hcc hch hck hcm hct hha hhb hhc hhh hhk hhm hht hka hkb hkh hkk hkm hkt hma hmb hmc hmh hmk hmm hmt hta htb htc hth htk htm htt k-t ka- kaa kab kac kah kak kam kat kba kbb kbc kbh kbk kbm kca kcb kcc kch kck kcm kct kha khh khk khm kkb kkc kkh kkk kkm kkt kma kmb kmc kmh kmk kmm kmt kta ktb ktc kth ktk ktm ktt maa mab mac mah mak mam mat mba mbb mbc mbh mbk mbm mbt mc- mca mcb mcc mch mck mcm mct mha mhc mhh mhk mhm mht mka mkb mkc mkh mkk mkm mkt mma mmb mmc mmh mmk mmm mmt mta mtb mtc mth mtk mtm mtt taa tab tac tah tak tam tat tba tbb tbc tbh tbk tbm tbt tca tcb tcc tch tck tcm tct th- tha thb thc thh thk thm tht tka tkb tkc tkk tkm tkt tma tmb tmc tmh tmk tmm tmt tta ttb ttc tth ttk ttm ttt