-ey c-- ccc cce ccm cco ccp ce- cec cee cem ceo cep cey cmc cme cmm cmo cmp cmy co- coc coe com coo cop coy cpc cpe cpm cpo cpp cyc cye cym cyo cyp ec- ecc ece ecm eco eec eee eem eeo eep eey em- emc eme emm emo emp eo- eoc eoe eom eoo eop ep- epc epe epm epo epp eyc eye eym eyo eyp m-o mc- mcc mce mcm mco mcp mec mee mem meo mep mey mmc mme mmm mmo mmp moc moe mom moo mop moy mpc mpe mpm mpo mpp my- myc mye mym myo oc- occ ocm oco ocp oec oee oem oeo oep oey om- omc ome omm omo omp omy oo- ooc oom ooo oop op- opc ope opm opo opp opy oye oyo p-p pcc pce pcm pco pcp pec pee pem peo pep pey pmc pme pmm pmo pmp poc poe pom poo pop poy ppc ppe ppm ppo ppp py- pyc pye pym pyo ycc yce yco ycp ycy yec yee yem yeo yep yey ymc yme ymm ymo yoc yoe yom yoo yop yoy ypo yyc yye yyy