-ic c-- ccc cci cck ccm cco ci- cic cii cik cim cio ckc cki ckm cko cmc cmi cmk cmm cmo co- coc coi cok com coo icc ici ick icm ico iic iii iim iio ikc iki ikk iko im- imc imi imm imo io- ioc ioi iom ioo kcc kci kck kcm kic kii kik kim kio kkc kki kkk kkm kmc kmi kmk kmm kmo koc koi kok kom koo m-o mc- mcc mci mck mcm mco mi- mic mii mik mim mio mkc mkk mkm mko mmc mmi mmk mmm mmo moc moi mok mom moo o-i oc- occ oci ock ocm oco oic oii oik oim oio okc oki okk oko om- omc omi omm omo oo- ooc ooi ook oom ooo