a-a a-c aaa aac aah aam aao aap ac- aca acc ach acm aco acp aha ahc ahh ahm aho ahp ama amc amh amm amo amp aoa aoc aoh aom aoo aop ap- apa apc aph apm apo app c-- caa cac cah cam cao cap cca ccc cch ccm cco ccp ch- cha chc chh chm cho chp cma cmc cmh cmm cmo cmp co- coa coc coh com coo cop cpa cpc cph cpm cpo cpp haa hac hah ham hao hap hca hcc hch hcm hco hcp hha hhc hhh hhm hho hhp hma hmc hmh hmm hmo hmp hoa hoc hoh hom hoo hop hpa hpc hph hpm hpo hpp m-o maa mac mah mam mao map mc- mca mcc mch mcm mco mcp mha mhc mhh mhm mho mhp mma mmc mmh mmm mmo mmp moa moc moh mom moo mop mpa mpc mph mpm mpo mpp oaa oac oah oam oao oap oc- oca occ och ocm oco ocp oha ohc ohh ohm oho ohp om- oma omc omh omm omo omp oo- ooa ooc ooh oom ooo oop op- opa opc oph opm opo opp p-p paa pac pah pam pao pap pca pcc pch pcm pco pcp pha phc phm pho php pma pmc pmh pmm pmo pmp poa poc poh pom poo pop ppa ppc pph ppm ppo ppp