-ol c-- ccc cce ccl cco ccp ccs ce- cec cee cel ceo cep ces cl- clc cle cll clo clp cls co- coc coe col coo cop cos cpc cpe cpl cpo cpp cps csc cse csl cso csp css ec- ecc ece ecl eco ecs eec eee eel eeo eep ees elc ele ell elo elp els eo- eoc eoe eol eoo eop eos ep- epc epe epl epo epp eps es- esc ese esl eso esp ess l-p lcc lce lcl lco lcp lcs lec lee lel leo lep les llc lle lll llo llp lls loc loe lol loo lop los lpc lpe lpl lpo lpp lps lsc lse lsl lso lsp lss oc- occ ocl oco ocp ocs oec oee oel oeo oep oes olc ole oll olo olp ols oo- ooc ool ooo oop oos op- opc ope opl opo opp ops os- osc ose osl oso osp oss p-p pcc pce pcl pco pcp pcs pec pee pel peo pep pes plc ple pll plo plp pls poc poe pol poo pop pos ppc ppe ppl ppo ppp pps ps- psc pse psl pso psp pss scc sce scl sco scp scs se- sec see sel seo sep ses slc sle sll slo slp sls soc soe sol soo sop sos spc spe spl spo spp sps ss- ssc sse ssl sso ssp sss