-er -ey -ic c-- ccc cce cci ccm cco ccr ccs ce- cec cee cei cem ceo cer ces cey ci- cic cie cii cim cio cir cis cmc cme cmi cmm cmo cmr cms cmy co- coc coe coi com coo cor cos coy crc cre cri crm cro crr crs cry csc cse csi csm cso csr css csy cyc cye cym cyo cyr cys ec- ecc ece eci ecm eco ecr ecs eec eee eem eeo eer ees eey eic eie eii eim eio eir eis em- emc eme emi emm emo emr ems eo- eoc eoe eoi eom eoo eor eos erc ere eri erm ero err ers ery es- esc ese esi esm eso esr ess esy eyc eye eym eyo eyr eys icc ice ici icm ico icr ics icy ie- iec iee iei iem ier ies iey iic iie iii iim iio iir iis im- imc ime imi imm imo ims imy io- ioc ioe ioi iom ioo ior ios ir- irc ire iri irm iro irr irs iry is- isc ise isi ism iso isr iss isy iyc iye iym iyo iyr iys iyy m-o m-r mc- mcc mce mci mcm mco mcr mcs mec mee mei mem meo mer mes mey mi- mic mie mii mim mio mir mis miy mmc mme mmi mmm mmo mmr mms moc moe moi mom moo mor mos moy mrc mre mri mrm mro mrr mrs mry msc mse msi msm mso msr mss msy my- myc mye mym myo myr mys o-i oc- occ oci ocm oco ocr ocs oec oee oei oem oeo oer oes oey oic oie oii oim oio oir ois om- omc ome omi omm omo omr oms omy oo- ooc ooi oom ooo oor oos or- orc ore ori orm oro orr ors ory os- osc ose osi osm oso osr oss oye oyi oyo oys rcc rce rci rcm rco rcr rcs re- rec ree rei rem reo rer res rey ric rie rii rim rio rir ris riy rmc rme rmi rmm rmo rmr rms roc roe roi rom roo ror ros roy rrc rri rrm rrr rrs rsc rse rsi rsm rso rsr rss ry- ryc rye rym ryo ryr rys ryy scc sce sci scm sco scr scs se- sec see sei sem seo ser ses sey sic sie sii sim sio sir sis smc sme smi smm smo smr sms smy soc soe soi som soo sor sos soy sr- src sre sri srm sro srr srs sry ss- ssc sse ssi ssm sso ssr sss sy- syc sye syi sym syr sys ycc yce yci yco ycs ycy yec yee yei yem yeo yer yes yey yie yii yim yio yir yis ymc yme ymi ymm ymo yms yoc yoe yoi yom yoo yor yos yoy yrc yre yro yrs ysc yse ysi ysm yso ysr yss ysy yyc yye yys yyy