-al -er a-a a-c aaa aac aae aal aar aas ac- aca acc ace acl acr acs aea aec aee ael aer aes al- ala alc ale all alr als ar- ara arc are arl arr ars as- asa asc ase asl asr ass c-- caa cac cae cal car cas cca ccc cce ccl ccr ccs ce- cea cec cee cel cer ces cl- cla clc cle cll clr cls cra crc cre crl crr crs csa csc cse csl csr css eaa eac eae eal ear eas ec- eca ecc ece ecl ecr ecs eea eec eee eel eer ees ela elc ele ell elr els era erc ere erl err ers es- esa esc ese esl esr ess la- laa lac lae lal lar las lca lcc lce lcl lcr lcs lea lec lee lel ler les lla llc lle lll llr lls lra lrc lrr lrs lsa lsc lse lsl lsr lss ra- raa rac rae ral rar ras rca rcc rce rcl rcr rcs re- rea rec ree rel rer res rla rlc rle rll rlr rls rra rrc rrl rrr rrs rsa rsc rse rsl rsr rss saa sac sae sal sar sas sca scc sce scl scr scs se- sea sec see sel ser ses sla slc sle sll slr sls sr- sra src sre srl srr srs ss- ssa ssc sse ssl ssr sss