-ey c-- ccc cce ccm cco ce- cec cee cem ceo cey cmc cme cmm cmo cmy co- coc coe com coo coy cyc cye cym cyo ec- ecc ece ecm eco eec eee eem eeo eey em- emc eme emm emo eo- eoc eoe eom eoo eyc eye eym eyo m-o mc- mcc mce mcm mco mec mee mem meo mey mmc mme mmm mmo moc moe mom moo moy my- myc mye mym myo oc- occ ocm oco oec oee oem oeo oey om- omc ome omm omo omy oo- ooc oom ooo oye oyo ycc yce yco ycy yec yee yem yeo yey ymc yme ymm ymo yoc yoe yom yoo yoy yyc yye yyy