-er -ol c-- ccc cce ccl cco ccp ccr ce- cec cee cel ceo cep cer cl- clc cle cll clo clp clr co- coc coe col coo cop cor cpc cpe cpl cpo cpp cpr crc cre crl cro crp crr ec- ecc ece ecl eco ecr eec eee eel eeo eep eer elc ele ell elo elp elr eo- eoc eoe eol eoo eop eor ep- epc epe epl epo epp epr erc ere erl ero erp err l-p lcc lce lcl lco lcp lcr lec lee lel leo lep ler llc lle lll llo llp llr loc loe lol loo lop lor lpc lpe lpl lpo lpp lpr lrc lro lrp lrr oc- occ ocl oco ocp ocr oec oee oel oeo oep oer olc ole oll olo olp oo- ooc ool ooo oop oor op- opc ope opl opo opp opr or- orc ore orl oro orp orr p-p pcc pce pcl pco pcp pcr pec pee pel peo pep per plc ple pll plo plp plr poc poe pol poo pop por ppc ppe ppl ppo ppp ppr prc pre prl pro prp prr rcc rce rcl rco rcp rcr re- rec ree rel reo rep rer rlc rle rll rlo rlp rlr roc roe rol roo rop ror rpc rpe rpl rpo rpp rpr rrc rrl rrp rrr