-ic c-- ccc ccd cci cck ccm cco cdc cdd cdi cdk cdm cdo ci- cic cid cii cik cim cio ckc ckd cki ckm cko cmc cmd cmi cmk cmm cmo co- coc cod coi cok com coo dcc dcd dci dck dcm dco ddc ddd ddi ddk ddm ddo di- dic did dii dik dim dio dkc dki dkk dkm dko dmc dmd dmi dmk dmm dmo doc dod doi dok dom doo i-d icc icd ici ick icm ico idc idd idi idk idm ido iic iid iii iim iio ikc iki ikk iko im- imc imd imi imm imo io- ioc iod ioi iom ioo kcc kcd kci kck kcm kdc kdk kdm kdo kic kid kii kik kim kio kkc kki kkk kkm kmc kmd kmi kmk kmm kmo koc kod koi kok kom koo m-o mc- mcc mcd mci mck mcm mco mdc mdd mdi mdk mdm mdo mi- mic mid mii mik mim mio mkc mkd mkk mkm mko mmc mmd mmi mmk mmm mmo moc mod moi mok mom moo o-i oc- occ ocd oci ock ocm oco odc odd odi odm odo oic oid oii oik oim oio okc okd oki okk oko om- omc omd omi omm omo oo- ooc ood ooi ook oom ooo