-al -er a-a a-c aaa aac aae aal aap aar aas ac- aca acc ace acl acp acr acs aea aec aee ael aep aer aes al- ala alc ale all alp alr als ap- apa apc ape apl app apr aps ar- ara arc are arl arp arr ars as- asa asc ase asl asp asr ass c-- caa cac cae cal cap car cas cca ccc cce ccl ccp ccr ccs ce- cea cec cee cel cep cer ces cl- cla clc cle cll clp clr cls cpa cpc cpe cpl cpp cpr cps cra crc cre crl crp crr crs csa csc cse csl csp csr css eaa eac eae eal eap ear eas ec- eca ecc ece ecl ecr ecs eea eec eee eel eep eer ees ela elc ele ell elp elr els ep- epa epc epe epl epp epr eps era erc ere erl erp err ers es- esa esc ese esl esp esr ess l-p la- laa lac lae lal lap lar las lca lcc lce lcl lcp lcr lcs lea lec lee lel lep ler les lla llc lle lll llp llr lls lpa lpc lpe lpl lpp lpr lps lra lrc lrp lrr lrs lsa lsc lse lsl lsp lsr lss p-p paa pac pae pal pap par pas pca pcc pce pcl pcp pcr pcs pea pec pee pel pep per pes pla plc ple pll plp plr pls ppa ppc ppe ppl ppp ppr pps pra prc pre prl prp prr prs ps- psa psc pse psl psp psr pss ra- raa rac rae ral rap rar ras rca rcc rce rcl rcp rcr rcs re- rea rec ree rel rep rer res rla rlc rle rll rlp rlr rls rpa rpc rpe rpl rpp rpr rps rra rrc rrl rrp rrr rrs rsa rsc rse rsl rsp rsr rss saa sac sae sal sap sar sas sca scc sce scl scp scr scs se- sea sec see sel sep ser ses sla slc sle sll slp slr sls spa spc spe spl spp spr sps sr- sra src sre srl srp srr srs ss- ssa ssc sse ssl ssp ssr sss