-al a-a a-b a-t aaa aab aae aal aam aas aat ab- aba abb abe abl abm abs abt aea aeb aee ael aem aes aet al- ala alb ale all alm als alt ama amb ame aml amm ams amt as- asa asb ase asl asm ass ast at- ata atb ate atl atm ats att baa bab bae bal bam bas bat bba bbb bbe bbl bbm bbs bbt be- bea beb bee bel bem bes bet bla blb ble bll blm bls blt bma bmb bme bml bmm bms bmt bsa bsb bse bsl bsm bss bst bta btb bte btl btm bts btt eaa eab eae eal eam eas eat eba ebb ebe ebl ebm ebs ebt eea eeb eee eel eem ees eet ela elb ele ell elm els elt em- ema emb eme eml emm ems emt es- esa esb ese esl esm ess est eta etb ete etl etm ets ett la- laa lab lae lal lam las lat lba lbb lbe lbl lbm lbs lbt lea leb lee lel lem les let lla llb lle lll llm lls llt lma lmb lme lml lmm lms lmt lsa lsb lse lsl lsm lss lst lta ltb lte ltl ltm lts ltt maa mab mae mal mam mas mat mba mbb mbe mbl mbm mbs mbt mea meb mee mel mem mes met mla mlb mle mll mlm mls mlt mma mmb mme mml mmm mms mmt msa msb mse msl msm mss mst mta mtb mte mtl mtm mts mtt saa sab sae sal sam sas sat sba sbb sbe sbl sbm sbs sbt se- sea seb see sel sem ses set sla slb sle sll slm sls slt sma smb sme sml smm sms smt ss- ssa ssb sse ssl ssm sss sst sta stb ste stl stm sts stt taa tab tae tal tam tas tat tba tbb tbe tbl tbm tbs tbt te- tea teb tee tel tem tes tet tla tle tll tlm tls tlt tma tmb tme tml tmm tms tmt tsa tsb tse tsl tsm tss tst tta ttb tte ttl ttm tts ttt