-ol c-- ccc cck ccl ccm cco ccr ccs ckc ckm cko cks cl- clc clk cll clm clo clr cls cmc cmk cml cmm cmo cmr cms co- coc cok col com coo cor cos crc crk crl crm cro crr crs csc csk csl csm cso csr css kcc kck kcl kcm kcr kcs kkc kkk kkl kkm kkr kks kl- klc klm klo klr kls kmc kmk kml kmm kmo kms koc kok kol kom koo kor kos krc krk krl kro krr krs ksc ksk ksl ksm kso ksr kss lcc lck lcl lcm lco lcr lcs lkl lkr lks llc llk lll llm llo llr lls lmc lmk lml lmm lmo lmr lms loc lok lol lom loo lor los lrc lrk lrm lro lrr lrs lsc lsk lsl lsm lso lsr lss m-o m-r mc- mcc mck mcl mcm mco mcr mcs mkc mkk mkl mkm mko mkr mks mlc mlk mll mlm mlo mlr mls mmc mmk mml mmm mmo mmr mms moc mok mol mom moo mor mos mrc mrk mrl mrm mro mrr mrs msc msk msl msm mso msr mss oc- occ ock ocl ocm oco ocr ocs okc okk okl oko okr oks olc olk oll olm olo ols om- omc oml omm omo omr oms oo- ooc ook ool oom ooo oor oos or- orc ork orl orm oro orr ors os- osc osk osl osm oso osr oss rcc rcl rcm rco rcr rcs rkc rkk rkm rko rks rlc rll rlm rlo rlr rls rmc rml rmm rmo rmr rms roc rok rol rom roo ror ros rrc rrk rrl rrm rrr rrs rsc rsk rsl rsm rso rsr rss scc sck scl scm sco scr scs sk- skc skk skl skm sko skr sks slc slk sll slm slo slr sls smc smk sml smm smo smr sms soc sok sol som soo sor sos sr- src srk srl srm sro srr srs ss- ssc ssk ssl ssm sso ssr sss