-ol c-- ccc cce cck ccl cco ccp ce- cec cee cek cel ceo cep ckc cko cl- clc cle clk cll clo clp co- coc coe cok col coo cop cpc cpe cpk cpl cpo cpp ec- ecc ece eck ecl eco eec eee eek eel eeo eep ekc eke ekl eko ekp elc ele elk ell elo elp eo- eoc eoe eok eol eoo eop ep- epc epe epl epo epp kcc kce kck kcl kcp ke- kec kee kek kel keo kep kkc kke kkk kkl kkp kl- klc klo koc koe kok kol koo kop kpc kpe kpk kpl kpo kpp l-p lcc lce lck lcl lco lcp lec lee lek lel leo lep lkl lkp llc lle llk lll llo llp loc loe lok lol loo lop lpc lpe lpk lpl lpo lpp oc- occ ock ocl oco ocp oec oee oel oeo oep okc oke okk okl oko okp olc ole olk oll olo olp oo- ooc ook ool ooo oop op- opc ope opk opl opo opp p-p pcc pce pck pcl pco pcp pec pee pek pel peo pep pkc pke pkl pko pkp plc ple plk pll plo plp poc poe pok pol poo pop ppc ppe ppk ppl ppo ppp