a-a a-c a-t aaa aac aam aao aap aat ac- aca acc acm aco acp act ama amc amm amo amp amt aoa aoc aom aoo aop aot ap- apa apc apm apo app apt at- ata atc atm ato atp att c-- caa cac cam cao cap cat cca ccc ccm cco ccp cct cma cmc cmm cmo cmp cmt co- coa coc com coo cop cot cpa cpc cpm cpo cpp cpt cta ctc ctm cto ctp ctt m-o maa mac mam mao map mat mc- mca mcc mcm mco mcp mct mma mmc mmm mmo mmp mmt moa moc mom moo mop mot mpa mpc mpm mpo mpp mpt mta mtc mtm mto mtp mtt oaa oac oam oao oap oat oc- oca occ ocm oco ocp oct om- oma omc omm omo omp omt oo- ooa ooc oom ooo oop oot op- opa opc opm opo opp opt ot- ota otc otm oto otp ott p-p paa pac pam pao pap pat pca pcc pcm pco pcp pct pma pmc pmm pmo pmp pmt poa poc pom poo pop pot ppa ppc ppm ppo ppp ppt pt- pta ptc ptm pto ptp ptt taa tac tam tao tap tat tca tcc tcm tco tcp tct tma tmc tmm tmo tmp tmt to- toa toc tom too top tot tpa tpc tpm tpo tpp tpt tta ttc ttm tto ttp ttt