-ol c-- ccc ccg ccl ccn cco cgc cgg cgl cgn cgo cl- clc clg cll cln clo cn- cnc cng cnl cnn cno co- coc cog col con coo gcc gcg gcl gcn gco ggc ggg ggn ggo glc glg gll gln glo gnc gnl gnn gno goc gog gol gon goo lcc lcg lcl lcn lco lgc lgg lgl lgn lgo llc llg lll lln llo lnc lng lnl lnn lno loc log lol lon loo ncc ncg ncl ncn nco ngc ngg ngl ngn ngo nlc nlg nll nln nlo nnc nng nnl nnn nno no- noc nog nol non noo oc- occ ocg ocl ocn oco ogc ogg ogl ogn ogo olc olg oll oln olo on- onc ong onl onn ono oo- ooc oog ool oon ooo