-ol c-- ccc cce cch ccl cco ccp ccx ce- cec cee ceh cel ceo cep cex ch- chc che chh chl cho chp chx cl- clc cle clh cll clo clp clx co- coc coe coh col coo cop cox cpc cpe cph cpl cpo cpp cpx cxc cxh cxl cxo cxp cxx ec- ecc ece ech ecl eco ecx eec eee eel eeo eep eex ehc ehe ehh ehl eho ehp elc ele elh ell elo elp elx eo- eoc eoe eoh eol eoo eop ep- epc epe eph epl epo epp epx ex- exc exe exh exl exo exp exx hcc hce hch hcl hco hcp he- hec hee heh hel heo hep hex hhc hhe hhh hhl hho hhp hlc hle hlh hll hlo hlp hlx hoc hoe hoh hol hoo hop hox hpc hpe hph hpl hpo hpp hxc hxl l-p lcc lce lch lcl lco lcp lcx lec lee leh lel leo lep lex lhc lhh lho lhp lhx llc lle lll llo llp loc loe loh lol loo lop lox lpc lpe lph lpl lpo lpp lpx lxc lxo lxx oc- occ och ocl oco ocp ocx oec oee oeh oel oeo oep oex ohc ohe ohh ohl oho ohp olc ole oll olo olp oo- ooc ooh ool ooo oop oox op- opc ope oph opl opo opp opx ox- oxc oxo oxx p-p pcc pce pch pcl pco pcp pcx pec pee peh pel peo pep pex phc phe phl pho php phx plc ple plh pll plo plp plx poc poe poh pol poo pop pox ppc ppe pph ppl ppo ppp ppx pxc pxe pxl xch xcl xcp xcx xee xel xep xex xhp xoc xoo xop xox xpc xpe xpl xpo xpp xxl xxo xxp xxx