-al -ol a-a a-c aaa aac aae aal aao aap aas ac- aca acc ace acl aco acp acs aea aec aee ael aeo aep aes al- ala alc ale all alo alp als aoa aoc aoe aol aoo aop aos ap- apa apc ape apl apo app aps as- asa asc ase asl aso asp ass c-- caa cac cae cal cao cap cas cca ccc cce ccl cco ccp ccs ce- cea cec cee cel ceo cep ces cl- cla clc cle cll clo clp cls co- coa coc coe col coo cop cos cpa cpc cpe cpl cpo cpp cps csa csc cse csl cso csp css eaa eac eae eal eao eap eas ec- eca ecc ece ecl eco ecs eea eec eee eel eeo eep ees ela elc ele ell elo elp els eo- eoa eoc eoe eol eoo eop eos ep- epa epc epe epl epo epp eps es- esa esc ese esl eso esp ess l-p la- laa lac lae lal lao lap las lca lcc lce lcl lco lcp lcs lea lec lee lel leo lep les lla llc lle lll llo llp lls loa loc loe lol loo lop los lpa lpc lpe lpl lpo lpp lps lsa lsc lse lsl lso lsp lss oaa oac oae oal oao oap oas oc- oca occ ocl oco ocp ocs oea oec oee oel oeo oep oes ola olc ole oll olo olp ols oo- ooa ooc ool ooo oop oos op- opa opc ope opl opo opp ops os- osa osc ose osl oso osp oss p-p paa pac pae pal pao pap pas pca pcc pce pcl pco pcp pcs pea pec pee pel peo pep pes pla plc ple pll plo plp pls poa poc poe pol poo pop pos ppa ppc ppe ppl ppo ppp pps ps- psa psc pse psl pso psp pss saa sac sae sal sao sap sas sca scc sce scl sco scp scs se- sea sec see sel seo sep ses sla slc sle sll slo slp sls soa soc soe sol soo sop sos spa spc spe spl spo spp sps ss- ssa ssc sse ssl sso ssp sss