-ol c-- ccc ccl ccn cco ccp cl- clc cll cln clo clp cn- cnc cnl cnn cno cnp co- coc col con coo cop cpc cpl cpn cpo cpp l-p lcc lcl lcn lco lcp llc lll lln llo llp lnc lnl lnn lno lnp loc lol lon loo lop lpc lpl lpn lpo lpp ncc ncl ncn nco ncp nlc nll nln nlo nlp nnc nnl nnn nno nnp no- noc nol non noo nop npc npl npn npo npp oc- occ ocl ocn oco ocp olc oll oln olo olp on- onc onl onn ono onp oo- ooc ool oon ooo oop op- opc opl opn opo opp p-p pcc pcl pcn pco pcp plc pll pln plo plp pn- pnc pnl pnn pno pnp poc pol pon poo pop ppc ppl ppn ppo ppp