-ol c-- ccc cce ccl cco ccp ccs ccx ce- cec cee cel ceo cep ces cex cl- clc cle cll clo clp cls clx co- coc coe col coo cop cos cox cpc cpe cpl cpo cpp cps cpx csc cse csl cso csp css csx cxc cxl cxo cxp cxs cxx ec- ecc ece ecl eco ecs ecx eec eee eel eeo eep ees eex elc ele ell elo elp els elx eo- eoc eoe eol eoo eop eos ep- epc epe epl epo epp eps epx es- esc ese esl eso esp ess esx ex- exc exe exl exo exp exs exx l-p lcc lce lcl lco lcp lcs lcx lec lee lel leo lep les lex llc lle lll llo llp lls loc loe lol loo lop los lox lpc lpe lpl lpo lpp lps lpx lsc lse lsl lso lsp lss lxc lxo lxx oc- occ ocl oco ocp ocs ocx oec oee oel oeo oep oes oex olc ole oll olo olp ols oo- ooc ool ooo oop oos oox op- opc ope opl opo opp ops opx os- osc ose osl oso osp oss osx ox- oxc oxo oxx p-p pcc pce pcl pco pcp pcs pcx pec pee pel peo pep pes pex plc ple pll plo plp pls plx poc poe pol poo pop pos pox ppc ppe ppl ppo ppp pps ppx ps- psc pse psl pso psp pss psx pxc pxe pxl pxs scc sce scl sco scp scs scx se- sec see sel seo sep ses sex slc sle sll slo slp sls slx soc soe sol soo sop sos sox spc spe spl spo spp sps spx ss- ssc sse ssl sso ssp sss ssx sxc sxl sxs xcl xcp xcx xee xel xep xes xex xls xoc xoo xop xos xox xpc xpe xpl xpo xpp xps xsc xsl xsp xss xxl xxo xxp xxx