-ic c-- ccc ccd cci ccm ccr ccs cdc cdd cdi cdm cdr cds ci- cic cid cii cim cir cis cmc cmd cmi cmm cmr cms crc crd cri crm crr crs csc csd csi csm csr css dcc dcd dci dcm dcr dcs ddc ddd ddi ddm ddr dds di- dic did dii dim dir dis dmc dmd dmi dmm dmr dms drc drd dri drm drr drs dsc dsd dsi dsm dsr dss i-d icc icd ici icm icr ics idc idd idi idm idr ids iic iid iii iim iir iis im- imc imd imi imm ims ir- irc ird iri irm irr irs is- isc isd isi ism isr iss m-r mc- mcc mcd mci mcm mcr mcs mdc mdd mdi mdm mdr mds mi- mic mid mii mim mir mis mmc mmd mmi mmm mmr mms mrc mrd mri mrm mrr mrs msc msd msi msm msr mss rcc rcd rci rcm rcr rcs rdc rdd rdi rdm rdr rds ric rid rii rim rir ris rmc rmd rmi rmm rmr rms rrc rrd rri rrm rrr rrs rsc rsd rsi rsm rsr rss scc scd sci scm scr scs sdc sdd sdi sdm sdr sds sic sid sii sim sir sis smc smd smi smm smr sms sr- src srd sri srm srr srs ss- ssc ssd ssi ssm ssr sss