-th a-a a-b a-c a-t aaa aab aac aah aam aao aap aat ab- aba abb abc abh abm abo abp abt ac- aca acb acc ach acm aco acp act aha ahb ahc ahh ahm aho ahp aht ama amb amc amh amm amo amp amt aoa aob aoc aoh aom aoo aop aot ap- apa apb apc aph apm apo app apt at- ata atb atc ath atm ato atp att b-p baa bab bac bah bam bao bap bat bba bbb bbc bbh bbm bbo bbp bbt bca bcb bcc bch bcm bco bcp bct bha bhb bhc bhh bhm bho bhp bht bma bmb bmc bmh bmm bmo bmp bmt boa bob boc boh bom boo bop bot bpa bpb bpc bph bpm bpo bpp bpt bta btb btc bth btm bto btp btt c-- caa cab cac cah cam cao cap cat cba cbb cbc cbh cbm cbo cbp cbt cca ccb ccc cch ccm cco ccp cct ch- cha chb chc chh chm cho chp cht cma cmb cmc cmh cmm cmo cmp cmt co- coa cob coc coh com coo cop cot cpa cpb cpc cph cpm cpo cpp cpt cta ctb ctc cth ctm cto ctp ctt haa hab hac hah ham hao hap hat hba hbb hbc hbh hbm hbo hbp hbt hca hcb hcc hch hcm hco hcp hct hha hhb hhc hhh hhm hho hhp hht hma hmb hmc hmh hmm hmo hmp hmt hoa hob hoc hoh hom hoo hop hot hpa hpb hpc hph hpm hpo hpp hpt hta htb htc hth htm hto htp htt m-o maa mab mac mah mam mao map mat mba mbb mbc mbh mbm mbo mbp mbt mc- mca mcb mcc mch mcm mco mcp mct mha mhc mhh mhm mho mhp mht mma mmb mmc mmh mmm mmo mmp mmt moa mob moc moh mom moo mop mot mpa mpb mpc mph mpm mpo mpp mpt mta mtb mtc mth mtm mto mtp mtt oaa oab oac oah oam oao oap oat ob- oba obb obc obh obm obo obp obt oc- oca ocb occ och ocm oco ocp oct oha ohc ohh ohm oho ohp oht om- oma omb omc omh omm omo omp omt oo- ooa oob ooc ooh oom ooo oop oot op- opa opb opc oph opm opo opp opt ot- ota otb otc oth otm oto otp ott p-p paa pab pac pah pam pao pap pat pba pbb pbc pbm pbo pbp pbt pca pcb pcc pch pcm pco pcp pct pha phb phc phm pho php pht pma pmb pmc pmh pmm pmo pmp pmt poa pob poc poh pom poo pop pot ppa ppb ppc pph ppm ppo ppp ppt pt- pta ptb ptc pth ptm pto ptp ptt taa tab tac tah tam tao tap tat tba tbb tbc tbh tbm tbo tbp tbt tca tcb tcc tch tcm tco tcp tct th- tha thb thc thh thm tho thp tht tma tmb tmc tmh tmm tmo tmp tmt to- toa tob toc toh tom too top tot tpa tpb tpc tph tpm tpo tpp tpt tta ttb ttc tth ttm tto ttp ttt