-ol c-- ccc cce ccl ccm cco ce- cec cee cel cem ceo cl- clc cle cll clm clo cmc cme cml cmm cmo co- coc coe col com coo ec- ecc ece ecl ecm eco eec eee eel eem eeo elc ele ell elm elo em- emc eme eml emm emo eo- eoc eoe eol eom eoo lcc lce lcl lcm lco lec lee lel lem leo llc lle lll llm llo lmc lme lml lmm lmo loc loe lol lom loo m-o mc- mcc mce mcl mcm mco mec mee mel mem meo mlc mle mll mlm mlo mmc mme mml mmm mmo moc moe mol mom moo oc- occ ocl ocm oco oec oee oel oem oeo olc ole oll olm olo om- omc ome oml omm omo oo- ooc ool oom ooo