-er -ey c-- ccc cce ccm cco ccr ccs ccv ce- cec cee cem ceo cer ces cev cey cmc cme cmm cmo cmr cms cmv cmy co- coc coe com coo cor cos cov coy crc cre crm cro crr crs crv cry csc cse csm cso csr css csv csy cvc cve cvm cvo cvr cvs cvv cyc cye cym cyo cyr cys ec- ecc ece ecm eco ecr ecs ecv eec eee eem eeo eer ees eev eey em- emc eme emm emo emr ems emv eo- eoc eoe eom eoo eor eos erc ere erm ero err ers erv ery es- esc ese esm eso esr ess esv esy evc eve evm evo evr evs evv evy eyc eye eym eyo eyr eys m-o m-r m-v mc- mcc mce mcm mco mcr mcs mcv mec mee mem meo mer mes mev mey mmc mme mmm mmo mmr mms mmv moc moe mom moo mor mos mov moy mrc mre mrm mro mrr mrs mrv mry msc mse msm mso msr mss msv msy mvc mve mvm mvo mvr mvs mvv mvy my- myc mye mym myo myr mys myv oc- occ ocm oco ocr ocs ocv oec oee oem oeo oer oes oey om- omc ome omm omo omr oms omv omy oo- ooc oom ooo oor oos oov or- orc ore orm oro orr ors orv ory os- osc ose osm oso osr oss osv ov- ovc ove ovo ovs ovv oye oyo oys rcc rce rcm rco rcr rcs rcv re- rec ree rem reo rer res rev rey rmc rme rmm rmo rmr rms rmv roc roe rom roo ror ros rov roy rrc rrm rrr rrs rsc rse rsm rso rsr rss rsv rvc rve rvm rvo rvr rvs rvv rvy ry- ryc rye rym ryo ryr rys ryy scc sce scm sco scr scs scv se- sec see sem seo ser ses sev sey smc sme smm smo smr sms smv smy soc soe som soo sor sos sov soy sr- src sre srm sro srr srs srv sry ss- ssc sse ssm sso ssr sss ssv svc sve svm svo svr svs svv svy sy- syc sye sym syr sys v-e vcc vce vcm vco vcr vcs vcy vec vee vem veo ver ves vey vm- vmc vmm vmo vmr voc voe vom voo vor vos vov voy vrc vre vrm vrr vrs vry vsc vse vsm vso vsr vss vsv vvc vvm vvo vvr vvs vvv vye vym ycc yce yco ycs ycv ycy yec yee yem yeo yer yes yev yey ymc yme ymm ymo yms yoc yoe yom yoo yor yos yoy yrc yre yro yrs ysc yse ysm yso ysr yss ysy yve yvo yvr yvy yyc yye yys yyy