-ic c-- ccc ccd cci ccm cco ccs cdc cdd cdi cdm cdo cds ci- cic cid cii cim cio cis cmc cmd cmi cmm cmo cms co- coc cod coi com coo cos csc csd csi csm cso css dcc dcd dci dcm dco dcs ddc ddd ddi ddm ddo dds di- dic did dii dim dio dis dmc dmd dmi dmm dmo dms doc dod doi dom doo dos dsc dsd dsi dsm dso dss i-d icc icd ici icm ico ics idc idd idi idm ido ids iic iid iii iim iio iis im- imc imd imi imm imo ims io- ioc iod ioi iom ioo ios is- isc isd isi ism iso iss m-o mc- mcc mcd mci mcm mco mcs mdc mdd mdi mdm mdo mds mi- mic mid mii mim mio mis mmc mmd mmi mmm mmo mms moc mod moi mom moo mos msc msd msi msm mso mss o-i oc- occ ocd oci ocm oco ocs odc odd odi odm odo ods oic oid oii oim oio ois om- omc omd omi omm omo oms oo- ooc ood ooi oom ooo oos os- osc osd osi osm oso oss scc scd sci scm sco scs sdc sdd sdi sdm sdo sds sic sid sii sim sio sis smc smd smi smm smo sms soc sod soi som soo sos ss- ssc ssd ssi ssm sso sss