-ol c-- ccc cce ccl ccn cco ccp ce- cec cee cel cen ceo cep cl- clc cle cll cln clo clp cn- cnc cne cnl cnn cno cnp co- coc coe col con coo cop cpc cpe cpl cpn cpo cpp ec- ecc ece ecl ecn eco eec eee eel een eeo eep elc ele ell eln elo elp en- enc ene enl enn eno enp eo- eoc eoe eol eon eoo eop ep- epc epe epl epn epo epp l-p lcc lce lcl lcn lco lcp lec lee lel len leo lep llc lle lll lln llo llp lnc lne lnl lnn lno lnp loc loe lol lon loo lop lpc lpe lpl lpn lpo lpp ncc nce ncl ncn nco ncp ne- nec nee nel nen neo nep nlc nle nll nln nlo nlp nnc nne nnl nnn nno nnp no- noc noe nol non noo nop npc npe npl npn npo npp oc- occ ocl ocn oco ocp oec oee oel oen oeo oep olc ole oll oln olo olp on- onc one onl onn ono onp oo- ooc ool oon ooo oop op- opc ope opl opn opo opp p-p pcc pce pcl pcn pco pcp pec pee pel pen peo pep plc ple pll pln plo plp pn- pnc pne pnl pnn pno pnp poc poe pol pon poo pop ppc ppe ppl ppn ppo ppp