-al -er -ol a-a a-c aaa aac aae aal aao aap aar aas ac- aca acc ace acl aco acp acr acs aea aec aee ael aeo aep aer aes al- ala alc ale all alo alp alr als aoa aoc aoe aol aoo aop aor aos ap- apa apc ape apl apo app apr aps ar- ara arc are arl aro arp arr ars as- asa asc ase asl aso asp asr ass c-- caa cac cae cal cao cap car cas cca ccc cce ccl cco ccp ccr ccs ce- cea cec cee cel ceo cep cer ces cl- cla clc cle cll clo clp clr cls co- coa coc coe col coo cop cor cos cpa cpc cpe cpl cpo cpp cpr cps cra crc cre crl cro crp crr crs csa csc cse csl cso csp csr css eaa eac eae eal eao eap ear eas ec- eca ecc ece ecl eco ecr ecs eea eec eee eel eeo eep eer ees ela elc ele ell elo elp elr els eo- eoa eoc eoe eol eoo eop eor eos ep- epa epc epe epl epo epp epr eps era erc ere erl ero erp err ers es- esa esc ese esl eso esp esr ess l-p la- laa lac lae lal lao lap lar las lca lcc lce lcl lco lcp lcr lcs lea lec lee lel leo lep ler les lla llc lle lll llo llp llr lls loa loc loe lol loo lop lor los lpa lpc lpe lpl lpo lpp lpr lps lra lrc lro lrp lrr lrs lsa lsc lse lsl lso lsp lsr lss oaa oac oae oal oao oap oar oas oc- oca occ ocl oco ocp ocr ocs oea oec oee oel oeo oep oer oes ola olc ole oll olo olp ols oo- ooa ooc ool ooo oop oor oos op- opa opc ope opl opo opp opr ops or- ora orc ore orl oro orp orr ors os- osa osc ose osl oso osp osr oss p-p paa pac pae pal pao pap par pas pca pcc pce pcl pco pcp pcr pcs pea pec pee pel peo pep per pes pla plc ple pll plo plp plr pls poa poc poe pol poo pop por pos ppa ppc ppe ppl ppo ppp ppr pps pra prc pre prl pro prp prr prs ps- psa psc pse psl pso psp psr pss ra- raa rac rae ral rao rap rar ras rca rcc rce rcl rco rcp rcr rcs re- rea rec ree rel reo rep rer res rla rlc rle rll rlo rlp rlr rls roa roc roe rol roo rop ror ros rpa rpc rpe rpl rpo rpp rpr rps rra rrc rrl rrp rrr rrs rsa rsc rse rsl rso rsp rsr rss saa sac sae sal sao sap sar sas sca scc sce scl sco scp scr scs se- sea sec see sel seo sep ser ses sla slc sle sll slo slp slr sls soa soc soe sol soo sop sor sos spa spc spe spl spo spp spr sps sr- sra src sre srl sro srp srr srs ss- ssa ssc sse ssl sso ssp ssr sss