-ol c-- ccc ccg ccl cco ccs cgc cgg cgl cgo cgs cl- clc clg cll clo cls co- coc cog col coo cos csc csg csl cso css gcc gcg gcl gco gcs ggc ggg ggo ggs glc glg gll glo gls goc gog gol goo gos gsc gsg gsl gso gss lcc lcg lcl lco lcs lgc lgg lgl lgo lgs llc llg lll llo lls loc log lol loo los lsc lsg lsl lso lss oc- occ ocg ocl oco ocs ogc ogg ogl ogo ogs olc olg oll olo ols oo- ooc oog ool ooo oos os- osc osg osl oso oss scc scg scl sco scs sgc sgg sgl sgo sgs slc slg sll slo sls soc sog sol soo sos ss- ssc ssg ssl sso sss