-ic c-- ccc ccd cci ccm cco ccr ccs cdc cdd cdi cdm cdo cdr cds ci- cic cid cii cim cio cir cis cmc cmd cmi cmm cmo cmr cms co- coc cod coi com coo cor cos crc crd cri crm cro crr crs csc csd csi csm cso csr css dcc dcd dci dcm dco dcr dcs ddc ddd ddi ddm ddo ddr dds di- dic did dii dim dio dir dis dmc dmd dmi dmm dmo dmr dms doc dod doi dom doo dor dos drc drd dri drm dro drr drs dsc dsd dsi dsm dso dsr dss i-d icc icd ici icm ico icr ics idc idd idi idm ido idr ids iic iid iii iim iio iir iis im- imc imd imi imm imo ims io- ioc iod ioi iom ioo ior ios ir- irc ird iri irm iro irr irs is- isc isd isi ism iso isr iss m-o m-r mc- mcc mcd mci mcm mco mcr mcs mdc mdd mdi mdm mdo mdr mds mi- mic mid mii mim mio mir mis mmc mmd mmi mmm mmo mmr mms moc mod moi mom moo mor mos mrc mrd mri mrm mro mrr mrs msc msd msi msm mso msr mss o-i oc- occ ocd oci ocm oco ocr ocs odc odd odi odm odo odr ods oic oid oii oim oio oir ois om- omc omd omi omm omo omr oms oo- ooc ood ooi oom ooo oor oos or- orc ord ori orm oro orr ors os- osc osd osi osm oso osr oss rcc rcd rci rcm rco rcr rcs rdc rdd rdi rdm rdo rdr rds ric rid rii rim rio rir ris rmc rmd rmi rmm rmo rmr rms roc rod roi rom roo ror ros rrc rrd rri rrm rrr rrs rsc rsd rsi rsm rso rsr rss scc scd sci scm sco scr scs sdc sdd sdi sdm sdo sdr sds sic sid sii sim sio sir sis smc smd smi smm smo smr sms soc sod soi som soo sor sos sr- src srd sri srm sro srr srs ss- ssc ssd ssi ssm sso ssr sss