-ic c-- ccc cci cck ccm cco ccr ccs ci- cic cii cik cim cio cir cis ckc cki ckm cko cks cmc cmi cmk cmm cmo cmr cms co- coc coi cok com coo cor cos crc cri crk crm cro crr crs csc csi csk csm cso csr css icc ici ick icm ico icr ics iic iii iim iio iir iis ikc iki ikk iko ikr iks im- imc imi imm imo ims io- ioc ioi iom ioo ior ios ir- irc iri irk irm iro irr irs is- isc isi isk ism iso isr iss kcc kci kck kcm kcr kcs kic kii kik kim kio kir kis kkc kki kkk kkm kkr kks kmc kmi kmk kmm kmo kms koc koi kok kom koo kor kos krc kri krk kro krr krs ksc ksi ksk ksm kso ksr kss m-o m-r mc- mcc mci mck mcm mco mcr mcs mi- mic mii mik mim mio mir mis mkc mkk mkm mko mkr mks mmc mmi mmk mmm mmo mmr mms moc moi mok mom moo mor mos mrc mri mrk mrm mro mrr mrs msc msi msk msm mso msr mss o-i oc- occ oci ock ocm oco ocr ocs oic oii oik oim oio oir ois okc oki okk oko okr oks om- omc omi omm omo omr oms oo- ooc ooi ook oom ooo oor oos or- orc ori ork orm oro orr ors os- osc osi osk osm oso osr oss rcc rci rcm rco rcr rcs ric rii rik rim rio rir ris rkc rkk rkm rko rks rmc rmi rmm rmo rmr rms roc roi rok rom roo ror ros rrc rri rrk rrm rrr rrs rsc rsi rsk rsm rso rsr rss scc sci sck scm sco scr scs sic sii sik sim sio sir sis sk- skc ski skk skm sko skr sks smc smi smk smm smo smr sms soc soi sok som soo sor sos sr- src sri srk srm sro srr srs ss- ssc ssi ssk ssm sso ssr sss