-ic c-- ccc cci cck ccm cco ccr ccz ci- cic cii cik cim cio cir ckc cki ckm cko cmc cmi cmk cmm cmo cmr co- coc coi cok com coo cor coz crc cri crk crm cro crr crz cz- czc czk czm czo icc ici ick icm ico icr icz iic iii iim iio iir ikc iki ikk iko ikr im- imc imi imm imo imz io- ioc ioi iom ioo ior ir- irc iri irk irm iro irr izi izm izo izz k-z kcc kci kck kcm kcr kic kii kik kim kio kir kiz kkc kki kkk kkm kkr kmc kmi kmk kmm kmo kmz koc koi kok kom koo kor koz krc kri krk kro krr kzo m-o m-r mc- mcc mci mck mcm mco mcr mcz mi- mic mii mik mim mio mir miz mkc mkk mkm mko mkr mkz mmc mmi mmk mmm mmo mmr mmz moc moi mok mom moo mor moz mrc mri mrk mrm mro mrr mrz mzi mzm o-i oc- occ oci ock ocm oco ocr ocz oic oii oik oim oio oir oiz okc oki okk oko okr om- omc omi omm omo omr omz oo- ooc ooi ook oom ooo oor or- orc ori ork orm oro orr orz ozm ozo ozz rcc rci rcm rco rcr ric rii rik rim rio rir riz rkc rkk rkm rko rkz rmc rmi rmm rmo rmr roc roi rok rom roo ror roz rrc rri rrk rrm rrr rzm rzo zco zik zim zio zir ziz zmc zmk zmm zo- zoc zoi zok zom zoo zor zro zzr zzz