-al a-a a-b a-t aaa aab aae aag aal aam aas aat ab- aba abb abe abg abl abm abs abt aea aeb aee aeg ael aem aes aet ag- aga agb age agg agl agm ags agt al- ala alb ale alg all alm als alt ama amb ame amg aml amm ams amt as- asa asb ase asg asl asm ass ast at- ata atb ate atg atl atm ats att baa bab bae bag bal bam bas bat bba bbb bbe bbg bbl bbm bbs bbt be- bea beb bee beg bel bem bes bet bga bgb bge bgg bgl bgm bgs bgt bla blb ble blg bll blm bls blt bma bmb bme bmg bml bmm bms bmt bsa bsb bse bsg bsl bsm bss bst bta btb bte btg btl btm bts btt eaa eab eae eag eal eam eas eat eba ebb ebe ebg ebl ebm ebs ebt eea eeb eee eeg eel eem ees eet ega egb ege egg egl egm egs egt ela elb ele elg ell elm els elt em- ema emb eme emg eml emm ems emt es- esa esb ese esg esl esm ess est eta etb ete etg etl etm ets ett gaa gab gae gag gal gam gas gat gba gbe gbg gbl gbm gbs gbt ge- gea geb gee geg gel gem ges get gga ggb ggg ggm ggs ggt gla glb gle glg gll glm gls glt gma gmb gme gmg gml gmm gms gmt gsa gsb gse gsg gsl gsm gss gst gta gtb gte gtg gtl gtm gts gtt la- laa lab lae lag lal lam las lat lba lbb lbe lbg lbl lbm lbs lbt lea leb lee leg lel lem les let lga lgb lge lgg lgl lgm lgs lgt lla llb lle llg lll llm lls llt lma lmb lme lmg lml lmm lms lmt lsa lsb lse lsg lsl lsm lss lst lta ltb lte ltg ltl ltm lts ltt maa mab mae mag mal mam mas mat mba mbb mbe mbg mbl mbm mbs mbt mea meb mee meg mel mem mes met mga mgb mge mgl mgm mgs mgt mla mlb mle mlg mll mlm mls mlt mma mmb mme mmg mml mmm mms mmt msa msb mse msg msl msm mss mst mta mtb mte mtg mtl mtm mts mtt saa sab sae sag sal sam sas sat sba sbb sbe sbg sbl sbm sbs sbt se- sea seb see seg sel sem ses set sga sgb sge sgg sgl sgm sgs sgt sla slb sle slg sll slm sls slt sma smb sme smg sml smm sms smt ss- ssa ssb sse ssg ssl ssm sss sst sta stb ste stg stl stm sts stt taa tab tae tag tal tam tas tat tba tbb tbe tbg tbl tbm tbs tbt te- tea teb tee teg tel tem tes tet tga tgb tge tgg tgl tgm tgs tgt tla tle tlg tll tlm tls tlt tma tmb tme tmg tml tmm tms tmt tsa tsb tse tsg tsl tsm tss tst tta ttb tte ttg ttl ttm tts ttt