-ic c-- ccc ccd cci cck ccm cco ccr ccs cdc cdd cdi cdk cdm cdo cdr cds ci- cic cid cii cik cim cio cir cis ckc ckd cki ckm cko cks cmc cmd cmi cmk cmm cmo cmr cms co- coc cod coi cok com coo cor cos crc crd cri crk crm cro crr crs csc csd csi csk csm cso csr css dcc dcd dci dck dcm dco dcr dcs ddc ddd ddi ddk ddm ddo ddr dds di- dic did dii dik dim dio dir dis dkc dki dkk dkm dko dkr dks dmc dmd dmi dmk dmm dmo dmr dms doc dod doi dok dom doo dor dos drc drd dri drk drm dro drr drs dsc dsd dsi dsk dsm dso dsr dss i-d icc icd ici ick icm ico icr ics idc idd idi idk idm ido idr ids iic iid iii iim iio iir iis ikc iki ikk iko ikr iks im- imc imd imi imm imo ims io- ioc iod ioi iom ioo ior ios ir- irc ird iri irk irm iro irr irs is- isc isd isi isk ism iso isr iss kcc kcd kci kck kcm kcr kcs kdc kdk kdm kdo kdr kds kic kid kii kik kim kio kir kis kkc kki kkk kkm kkr kks kmc kmd kmi kmk kmm kmo kms koc kod koi kok kom koo kor kos krc krd kri krk kro krr krs ksc ksd ksi ksk ksm kso ksr kss m-o m-r mc- mcc mcd mci mck mcm mco mcr mcs mdc mdd mdi mdk mdm mdo mdr mds mi- mic mid mii mik mim mio mir mis mkc mkd mkk mkm mko mkr mks mmc mmd mmi mmk mmm mmo mmr mms moc mod moi mok mom moo mor mos mrc mrd mri mrk mrm mro mrr mrs msc msd msi msk msm mso msr mss o-i oc- occ ocd oci ock ocm oco ocr ocs odc odd odi odm odo odr ods oic oid oii oik oim oio oir ois okc okd oki okk oko okr oks om- omc omd omi omm omo omr oms oo- ooc ood ooi ook oom ooo oor oos or- orc ord ori ork orm oro orr ors os- osc osd osi osk osm oso osr oss rcc rcd rci rcm rco rcr rcs rdc rdd rdi rdm rdo rdr rds ric rid rii rik rim rio rir ris rkc rkk rkm rko rks rmc rmd rmi rmm rmo rmr rms roc rod roi rok rom roo ror ros rrc rrd rri rrk rrm rrr rrs rsc rsd rsi rsk rsm rso rsr rss scc scd sci sck scm sco scr scs sdc sdd sdi sdk sdm sdo sdr sds sic sid sii sik sim sio sir sis sk- skc skd ski skk skm sko skr sks smc smd smi smk smm smo smr sms soc sod soi sok som soo sor sos sr- src srd sri srk srm sro srr srs ss- ssc ssd ssi ssk ssm sso ssr sss