-ol c-- ccc cce ccl ccm cco ccp ccx ce- cec cee cel cem ceo cep cex cl- clc cle cll clm clo clp clx cmc cme cml cmm cmo cmp cmx co- coc coe col com coo cop cox cpc cpe cpl cpm cpo cpp cpx cxc cxl cxo cxp cxx ec- ecc ece ecl ecm eco ecx eec eee eel eem eeo eep eex elc ele ell elm elo elp elx em- emc eme eml emm emo emp emx eo- eoc eoe eol eom eoo eop ep- epc epe epl epm epo epp epx ex- exc exe exl exo exp exx l-p lcc lce lcl lcm lco lcp lcx lec lee lel lem leo lep lex llc lle lll llm llo llp lmc lme lml lmm lmo lmp loc loe lol lom loo lop lox lpc lpe lpl lpm lpo lpp lpx lxc lxo lxx m-o mc- mcc mce mcl mcm mco mcp mcx mec mee mel mem meo mep mex mlc mle mll mlm mlo mlp mlx mmc mme mml mmm mmo mmp mmx moc moe mol mom moo mop mox mpc mpe mpl mpm mpo mpp mpx mxc mxl mxp oc- occ ocl ocm oco ocp ocx oec oee oel oem oeo oep oex olc ole oll olm olo olp om- omc ome oml omm omo omp omx oo- ooc ool oom ooo oop oox op- opc ope opl opm opo opp opx ox- oxc oxo oxx p-p pcc pce pcl pcm pco pcp pcx pec pee pel pem peo pep pex plc ple pll plm plo plp plx pmc pme pml pmm pmo pmp pmx poc poe pol pom poo pop pox ppc ppe ppl ppm ppo ppp ppx pxc pxe pxl pxm xcl xcp xcx xee xel xem xep xex xlm xmc xml xmm xmo xmp xmx xoc xom xoo xop xox xpc xpe xpl xpm xpo xpp xxl xxo xxp xxx