-ic c-- ccc ccd cci ccm cco ccr cdc cdd cdi cdm cdo cdr ci- cic cid cii cim cio cir cmc cmd cmi cmm cmo cmr co- coc cod coi com coo cor crc crd cri crm cro crr dcc dcd dci dcm dco dcr ddc ddd ddi ddm ddo ddr di- dic did dii dim dio dir dmc dmd dmi dmm dmo dmr doc dod doi dom doo dor drc drd dri drm dro drr i-d icc icd ici icm ico icr idc idd idi idm ido idr iic iid iii iim iio iir im- imc imd imi imm imo io- ioc iod ioi iom ioo ior ir- irc ird iri irm iro irr m-o m-r mc- mcc mcd mci mcm mco mcr mdc mdd mdi mdm mdo mdr mi- mic mid mii mim mio mir mmc mmd mmi mmm mmo mmr moc mod moi mom moo mor mrc mrd mri mrm mro mrr o-i oc- occ ocd oci ocm oco ocr odc odd odi odm odo odr oic oid oii oim oio oir om- omc omd omi omm omo omr oo- ooc ood ooi oom ooo oor or- orc ord ori orm oro orr rcc rcd rci rcm rco rcr rdc rdd rdi rdm rdo rdr ric rid rii rim rio rir rmc rmd rmi rmm rmo rmr roc rod roi rom roo ror rrc rrd rri rrm rrr