-al a-a a-c aaa aac aae aal aam aas ac- aca acc ace acl acm acs aea aec aee ael aem aes al- ala alc ale all alm als ama amc ame aml amm ams as- asa asc ase asl asm ass c-- caa cac cae cal cam cas cca ccc cce ccl ccm ccs ce- cea cec cee cel cem ces cl- cla clc cle cll clm cls cma cmc cme cml cmm cms csa csc cse csl csm css eaa eac eae eal eam eas ec- eca ecc ece ecl ecm ecs eea eec eee eel eem ees ela elc ele ell elm els em- ema emc eme eml emm ems es- esa esc ese esl esm ess la- laa lac lae lal lam las lca lcc lce lcl lcm lcs lea lec lee lel lem les lla llc lle lll llm lls lma lmc lme lml lmm lms lsa lsc lse lsl lsm lss maa mac mae mal mam mas mc- mca mcc mce mcl mcm mcs mea mec mee mel mem mes mla mlc mle mll mlm mls mma mmc mme mml mmm mms msa msc mse msl msm mss saa sac sae sal sam sas sca scc sce scl scm scs se- sea sec see sel sem ses sla slc sle sll slm sls sma smc sme sml smm sms ss- ssa ssc sse ssl ssm sss