-ol c-- ccc cch ccl cco ccp ch- chc chh chl cho chp cl- clc clh cll clo clp co- coc coh col coo cop cpc cph cpl cpo cpp hcc hch hcl hco hcp hhc hhh hhl hho hhp hlc hlh hll hlo hlp hoc hoh hol hoo hop hpc hph hpl hpo hpp l-p lcc lch lcl lco lcp lhc lhh lho lhp llc lll llo llp loc loh lol loo lop lpc lph lpl lpo lpp oc- occ och ocl oco ocp ohc ohh ohl oho ohp olc oll olo olp oo- ooc ooh ool ooo oop op- opc oph opl opo opp p-p pcc pch pcl pco pcp phc phl pho php plc plh pll plo plp poc poh pol poo pop ppc pph ppl ppo ppp