-ol c-- ccc ccl ccn cco ccv cl- clc cll cln clo clv cn- cnc cnl cnn cno cnv co- coc col con coo cov cvc cvl cvn cvo cvv lcc lcl lcn lco lcv llc lll lln llo llv lnc lnl lnn lno loc lol lon loo lov lvc lvl lvn lvv ncc ncl ncn nco ncv nlc nll nln nlo nlv nnc nnl nnn nno nnv no- noc nol non noo nov nvc nvl nvn nvv oc- occ ocl ocn oco ocv olc oll oln olo on- onc onl onn ono oo- ooc ool oon ooo oov ov- ovc ovl ovo ovv vcc vcl vcn vco vl- vlc vll vlo vlv vn- vnl vno vnv voc vol von voo vov vvc vvo vvv