-ey c-- ccc cce ccm cco cct ce- cec cee cem ceo cet cey cmc cme cmm cmo cmt cmy co- coc coe com coo cot coy ctc cte ctm cto ctt cty cyc cye cym cyo cyt ec- ecc ece ecm eco ect eec eee eem eeo eet eey em- emc eme emm emo emt eo- eoc eoe eom eoo eot etc ete etm eto ett ety eyc eye eym eyo eyt m-o mc- mcc mce mcm mco mct mec mee mem meo met mey mmc mme mmm mmo mmt moc moe mom moo mot moy mtc mte mtm mto mtt my- myc mye mym myo myt oc- occ ocm oco oct oec oee oem oeo oet oey om- omc ome omm omo omt omy oo- ooc oom ooo oot ot- otc ote otm oto ott oye oyo tcc tce tcm tco tct te- tec tee tem teo tet tey tmc tme tmm tmo tmt tmy to- toc toe tom too tot toy ttc tte ttm tto ttt tty tyc tye tym tyo tyt ycc yce yco ycy yec yee yem yeo yet yey ymc yme ymm ymo ymt yoc yoe yom yoo yot yoy ytc yte ytm yto ytt yyc yye yyt yyy