-th a-a a-b a-c a-t aaa aab aac aah aak aap aat ab- aba abb abc abh abk abp abt ac- aca acb acc ach ack acp act aha ahb ahc ahh ahk ahp aht aka akb akc akh akk akp ap- apa apb apc aph apk app apt at- ata atb atc ath atp att b-p baa bab bac bah bak bap bat bba bbb bbc bbh bbk bbp bbt bca bcb bcc bch bck bcp bct bha bhb bhc bhh bhk bhp bht bka bkb bkc bkk bkp bkt bpa bpb bpc bph bpp bpt bta btb btc bth btk btp btt c-- caa cab cac cah cak cap cat cba cbb cbc cbh cbk cbp cbt cca ccb ccc cch cck ccp cct ch- cha chb chc chh chk chp cht cka ckb ckc ckh ckt cpa cpb cpc cph cpk cpp cpt cta ctb ctc cth ctk ctp ctt haa hab hac hah hak hap hat hba hbb hbc hbh hbk hbp hbt hca hcb hcc hch hck hcp hct hha hhb hhc hhh hhk hhp hht hka hkb hkh hkk hkp hkt hpa hpb hpc hph hpk hpp hpt hta htb htc hth htk htp htt k-t ka- kaa kab kac kah kak kap kat kba kbb kbc kbh kbk kbp kca kcb kcc kch kck kcp kct kha khh khk kkb kkc kkh kkk kkp kkt kpa kpc kph kpk kpp kpt kta ktb ktc kth ktk ktp ktt p-p paa pab pac pah pak pap pat pba pbb pbc pbk pbp pbt pca pcb pcc pch pck pcp pct pha phb phc phk php pht pka pkb pkc pkp pkt ppa ppb ppc pph ppk ppp ppt pt- pta ptb ptc pth ptk ptp ptt taa tab tac tah tak tap tat tba tbb tbc tbh tbk tbp tbt tca tcb tcc tch tck tcp tct th- tha thb thc thh thk thp tht tka tkb tkc tkk tkp tkt tpa tpb tpc tph tpk tpp tpt tta ttb ttc tth ttk ttp ttt