-ol c-- ccc cce ccl ccm cco ccp ce- cec cee cel cem ceo cep cl- clc cle cll clm clo clp cmc cme cml cmm cmo cmp co- coc coe col com coo cop cpc cpe cpl cpm cpo cpp ec- ecc ece ecl ecm eco eec eee eel eem eeo eep elc ele ell elm elo elp em- emc eme eml emm emo emp eo- eoc eoe eol eom eoo eop ep- epc epe epl epm epo epp l-p lcc lce lcl lcm lco lcp lec lee lel lem leo lep llc lle lll llm llo llp lmc lme lml lmm lmo lmp loc loe lol lom loo lop lpc lpe lpl lpm lpo lpp m-o mc- mcc mce mcl mcm mco mcp mec mee mel mem meo mep mlc mle mll mlm mlo mlp mmc mme mml mmm mmo mmp moc moe mol mom moo mop mpc mpe mpl mpm mpo mpp oc- occ ocl ocm oco ocp oec oee oel oem oeo oep olc ole oll olm olo olp om- omc ome oml omm omo omp oo- ooc ool oom ooo oop op- opc ope opl opm opo opp p-p pcc pce pcl pcm pco pcp pec pee pel pem peo pep plc ple pll plm plo plp pmc pme pml pmm pmo pmp poc poe pol pom poo pop ppc ppe ppl ppm ppo ppp