-ic c-- ccc cci cck ccm cco ccr ci- cic cii cik cim cio cir ckc cki ckm cko cmc cmi cmk cmm cmo cmr co- coc coi cok com coo cor crc cri crk crm cro crr icc ici ick icm ico icr iic iii iim iio iir ikc iki ikk iko ikr im- imc imi imm imo io- ioc ioi iom ioo ior ir- irc iri irk irm iro irr kcc kci kck kcm kcr kic kii kik kim kio kir kkc kki kkk kkm kkr kmc kmi kmk kmm kmo koc koi kok kom koo kor krc kri krk kro krr m-o m-r mc- mcc mci mck mcm mco mcr mi- mic mii mik mim mio mir mkc mkk mkm mko mkr mmc mmi mmk mmm mmo mmr moc moi mok mom moo mor mrc mri mrk mrm mro mrr o-i oc- occ oci ock ocm oco ocr oic oii oik oim oio oir okc oki okk oko okr om- omc omi omm omo omr oo- ooc ooi ook oom ooo oor or- orc ori ork orm oro orr rcc rci rcm rco rcr ric rii rik rim rio rir rkc rkk rkm rko rmc rmi rmm rmo rmr roc roi rok rom roo ror rrc rri rrk rrm rrr