a-a a-c aaa aac aae aah aam aao aap ac- aca acc ace ach acm aco acp aea aec aee aeh aem aeo aep aha ahc ahe ahh ahm aho ahp ama amc ame amh amm amo amp aoa aoc aoe aoh aom aoo aop ap- apa apc ape aph apm apo app c-- caa cac cae cah cam cao cap cca ccc cce cch ccm cco ccp ce- cea cec cee ceh cem ceo cep ch- cha chc che chh chm cho chp cma cmc cme cmh cmm cmo cmp co- coa coc coe coh com coo cop cpa cpc cpe cph cpm cpo cpp eaa eac eae eah eam eao eap ec- eca ecc ece ech ecm eco eea eec eee eem eeo eep eha ehc ehe ehh ehm eho ehp em- ema emc eme emh emm emo emp eo- eoa eoc eoe eoh eom eoo eop ep- epa epc epe eph epm epo epp haa hac hae hah ham hao hap hca hcc hce hch hcm hco hcp he- hea hec hee heh hem heo hep hha hhc hhe hhh hhm hho hhp hma hmc hme hmh hmm hmo hmp hoa hoc hoe hoh hom hoo hop hpa hpc hpe hph hpm hpo hpp m-o maa mac mae mah mam mao map mc- mca mcc mce mch mcm mco mcp mea mec mee meh mem meo mep mha mhc mhh mhm mho mhp mma mmc mme mmh mmm mmo mmp moa moc moe moh mom moo mop mpa mpc mpe mph mpm mpo mpp oaa oac oae oah oam oao oap oc- oca occ och ocm oco ocp oea oec oee oeh oem oeo oep oha ohc ohe ohh ohm oho ohp om- oma omc ome omh omm omo omp oo- ooa ooc ooh oom ooo oop op- opa opc ope oph opm opo opp p-p paa pac pae pah pam pao pap pca pcc pce pch pcm pco pcp pea pec pee peh pem peo pep pha phc phe phm pho php pma pmc pme pmh pmm pmo pmp poa poc poe poh pom poo pop ppa ppc ppe pph ppm ppo ppp