-ey c-- ccc cce ccm cco ccp ccs ce- cec cee cem ceo cep ces cey cmc cme cmm cmo cmp cms cmy co- coc coe com coo cop cos coy cpc cpe cpm cpo cpp cps csc cse csm cso csp css csy cyc cye cym cyo cyp cys ec- ecc ece ecm eco ecs eec eee eem eeo eep ees eey em- emc eme emm emo emp ems eo- eoc eoe eom eoo eop eos ep- epc epe epm epo epp eps es- esc ese esm eso esp ess esy eyc eye eym eyo eyp eys m-o mc- mcc mce mcm mco mcp mcs mec mee mem meo mep mes mey mmc mme mmm mmo mmp mms moc moe mom moo mop mos moy mpc mpe mpm mpo mpp mps msc mse msm mso msp mss msy my- myc mye mym myo mys oc- occ ocm oco ocp ocs oec oee oem oeo oep oes oey om- omc ome omm omo omp oms omy oo- ooc oom ooo oop oos op- opc ope opm opo opp ops opy os- osc ose osm oso osp oss oye oyo oys p-p pcc pce pcm pco pcp pcs pec pee pem peo pep pes pey pmc pme pmm pmo pmp pms poc poe pom poo pop pos poy ppc ppe ppm ppo ppp pps ps- psc pse psm pso psp pss psy py- pyc pye pym pyo pys scc sce scm sco scp scs se- sec see sem seo sep ses sey smc sme smm smo smp sms smy soc soe som soo sop sos soy spc spe spm spo spp sps spy ss- ssc sse ssm sso ssp sss sy- syc sye sym syp sys ycc yce yco ycp ycs ycy yec yee yem yeo yep yes yey ymc yme ymm ymo yms yoc yoe yom yoo yop yos yoy ypo yps ysc yse ysm yso ysp yss ysy yyc yye yys yyy