-ey c-- ccc cce ccm cco ccv ce- cec cee cem ceo cev cey cmc cme cmm cmo cmv cmy co- coc coe com coo cov coy cvc cve cvm cvo cvv cyc cye cym cyo ec- ecc ece ecm eco ecv eec eee eem eeo eev eey em- emc eme emm emo emv eo- eoc eoe eom eoo evc eve evm evo evv evy eyc eye eym eyo m-o m-v mc- mcc mce mcm mco mcv mec mee mem meo mev mey mmc mme mmm mmo mmv moc moe mom moo mov moy mvc mve mvm mvo mvv mvy my- myc mye mym myo myv oc- occ ocm oco ocv oec oee oem oeo oey om- omc ome omm omo omv omy oo- ooc oom ooo oov ov- ovc ove ovo ovv oye oyo v-e vcc vce vcm vco vcy vec vee vem veo vey vm- vmc vmm vmo voc voe vom voo vov voy vvc vvm vvo vvv vye vym ycc yce yco ycv ycy yec yee yem yeo yev yey ymc yme ymm ymo yoc yoe yom yoo yoy yve yvo yvy yyc yye yyy