-ic c-- ccc cci ccm cco ccr ccs ci- cic cii cim cio cir cis cmc cmi cmm cmo cmr cms cmy co- coc coi com coo cor cos coy crc cri crm cro crr crs cry csc csi csm cso csr css csy cyc cym cyo cyr cys icc ici icm ico icr ics icy iic iii iim iio iir iis im- imc imi imm imo ims imy io- ioc ioi iom ioo ior ios ir- irc iri irm iro irr irs iry is- isc isi ism iso isr iss isy iyc iym iyo iyr iys iyy m-o m-r mc- mcc mci mcm mco mcr mcs mi- mic mii mim mio mir mis miy mmc mmi mmm mmo mmr mms moc moi mom moo mor mos moy mrc mri mrm mro mrr mrs mry msc msi msm mso msr mss msy my- myc mym myo myr mys o-i oc- occ oci ocm oco ocr ocs oic oii oim oio oir ois om- omc omi omm omo omr oms omy oo- ooc ooi oom ooo oor oos or- orc ori orm oro orr ors ory os- osc osi osm oso osr oss oyi oyo oys rcc rci rcm rco rcr rcs ric rii rim rio rir ris riy rmc rmi rmm rmo rmr rms roc roi rom roo ror ros roy rrc rri rrm rrr rrs rsc rsi rsm rso rsr rss ry- ryc rym ryo ryr rys ryy scc sci scm sco scr scs sic sii sim sio sir sis smc smi smm smo smr sms smy soc soi som soo sor sos soy sr- src sri srm sro srr srs sry ss- ssc ssi ssm sso ssr sss sy- syc syi sym syr sys ycc yci yco ycs ycy yii yim yio yir yis ymc ymi ymm ymo yms yoc yoi yom yoo yor yos yoy yrc yro yrs ysc ysi ysm yso ysr yss ysy yyc yys yyy