-er -ol c-- ccc cce ccl ccm cco ccp ccr ce- cec cee cel cem ceo cep cer cl- clc cle cll clm clo clp clr cmc cme cml cmm cmo cmp cmr co- coc coe col com coo cop cor cpc cpe cpl cpm cpo cpp cpr crc cre crl crm cro crp crr ec- ecc ece ecl ecm eco ecr eec eee eel eem eeo eep eer elc ele ell elm elo elp elr em- emc eme eml emm emo emp emr eo- eoc eoe eol eom eoo eop eor ep- epc epe epl epm epo epp epr erc ere erl erm ero erp err l-p lcc lce lcl lcm lco lcp lcr lec lee lel lem leo lep ler llc lle lll llm llo llp llr lmc lme lml lmm lmo lmp lmr loc loe lol lom loo lop lor lpc lpe lpl lpm lpo lpp lpr lrc lrm lro lrp lrr m-o m-r mc- mcc mce mcl mcm mco mcp mcr mec mee mel mem meo mep mer mlc mle mll mlm mlo mlp mlr mmc mme mml mmm mmo mmp mmr moc moe mol mom moo mop mor mpc mpe mpl mpm mpo mpp mpr mrc mre mrl mrm mro mrp mrr oc- occ ocl ocm oco ocp ocr oec oee oel oem oeo oep oer olc ole oll olm olo olp om- omc ome oml omm omo omp omr oo- ooc ool oom ooo oop oor op- opc ope opl opm opo opp opr or- orc ore orl orm oro orp orr p-p pcc pce pcl pcm pco pcp pcr pec pee pel pem peo pep per plc ple pll plm plo plp plr pmc pme pml pmm pmo pmp pmr poc poe pol pom poo pop por ppc ppe ppl ppm ppo ppp ppr prc pre prl prm pro prp prr rcc rce rcl rcm rco rcp rcr re- rec ree rel rem reo rep rer rlc rle rll rlm rlo rlp rlr rmc rme rml rmm rmo rmp rmr roc roe rol rom roo rop ror rpc rpe rpl rpm rpo rpp rpr rrc rrl rrm rrp rrr