-ol c-- ccc cce cck ccl cco ccp ccs ce- cec cee cek cel ceo cep ces ckc cko cks cl- clc cle clk cll clo clp cls co- coc coe cok col coo cop cos cpc cpe cpk cpl cpo cpp cps csc cse csk csl cso csp css ec- ecc ece eck ecl eco ecs eec eee eek eel eeo eep ees ekc eke ekl eko ekp eks elc ele elk ell elo elp els eo- eoc eoe eok eol eoo eop eos ep- epc epe epl epo epp eps es- esc ese esk esl eso esp ess kcc kce kck kcl kcp kcs ke- kec kee kek kel keo kep kes kkc kke kkk kkl kkp kks kl- klc klo kls koc koe kok kol koo kop kos kpc kpe kpk kpl kpo kpp kps ksc kse ksk ksl kso ksp kss l-p lcc lce lck lcl lco lcp lcs lec lee lek lel leo lep les lkl lkp lks llc lle llk lll llo llp lls loc loe lok lol loo lop los lpc lpe lpk lpl lpo lpp lps lsc lse lsk lsl lso lsp lss oc- occ ock ocl oco ocp ocs oec oee oel oeo oep oes okc oke okk okl oko okp oks olc ole olk oll olo olp ols oo- ooc ook ool ooo oop oos op- opc ope opk opl opo opp ops os- osc ose osk osl oso osp oss p-p pcc pce pck pcl pco pcp pcs pec pee pek pel peo pep pes pkc pke pkl pko pkp pks plc ple plk pll plo plp pls poc poe pok pol poo pop pos ppc ppe ppk ppl ppo ppp pps ps- psc pse psk psl pso psp pss scc sce sck scl sco scp scs se- sec see sek sel seo sep ses sk- skc ske skk skl sko skp sks slc sle slk sll slo slp sls soc soe sok sol soo sop sos spc spe spk spl spo spp sps ss- ssc sse ssk ssl sso ssp sss