-al a-a a-c a-t aaa aac aae aal aam aas aat ac- aca acc ace acl acm acs act aea aec aee ael aem aes aet al- ala alc ale all alm als alt ama amc ame aml amm ams amt as- asa asc ase asl asm ass ast at- ata atc ate atl atm ats att c-- caa cac cae cal cam cas cat cca ccc cce ccl ccm ccs cct ce- cea cec cee cel cem ces cet cl- cla clc cle cll clm cls clt cma cmc cme cml cmm cms cmt csa csc cse csl csm css cst cta ctc cte ctl ctm cts ctt eaa eac eae eal eam eas eat ec- eca ecc ece ecl ecm ecs ect eea eec eee eel eem ees eet ela elc ele ell elm els elt em- ema emc eme eml emm ems emt es- esa esc ese esl esm ess est eta etc ete etl etm ets ett la- laa lac lae lal lam las lat lca lcc lce lcl lcm lcs lct lea lec lee lel lem les let lla llc lle lll llm lls llt lma lmc lme lml lmm lms lmt lsa lsc lse lsl lsm lss lst lta ltc lte ltl ltm lts ltt maa mac mae mal mam mas mat mc- mca mcc mce mcl mcm mcs mct mea mec mee mel mem mes met mla mlc mle mll mlm mls mlt mma mmc mme mml mmm mms mmt msa msc mse msl msm mss mst mta mtc mte mtl mtm mts mtt saa sac sae sal sam sas sat sca scc sce scl scm scs sct se- sea sec see sel sem ses set sla slc sle sll slm sls slt sma smc sme sml smm sms smt ss- ssa ssc sse ssl ssm sss sst sta stc ste stl stm sts stt taa tac tae tal tam tas tat tca tcc tce tcl tcm tcs tct te- tea tec tee tel tem tes tet tla tlc tle tll tlm tls tlt tma tmc tme tml tmm tms tmt tsa tsc tse tsl tsm tss tst tta ttc tte ttl ttm tts ttt