-al a-a a-b aaa aab aae aag aal aam aas ab- aba abb abe abg abl abm abs aea aeb aee aeg ael aem aes ag- aga agb age agg agl agm ags al- ala alb ale alg all alm als ama amb ame amg aml amm ams as- asa asb ase asg asl asm ass baa bab bae bag bal bam bas bba bbb bbe bbg bbl bbm bbs be- bea beb bee beg bel bem bes bga bgb bge bgg bgl bgm bgs bla blb ble blg bll blm bls bma bmb bme bmg bml bmm bms bsa bsb bse bsg bsl bsm bss eaa eab eae eag eal eam eas eba ebb ebe ebg ebl ebm ebs eea eeb eee eeg eel eem ees ega egb ege egg egl egm egs ela elb ele elg ell elm els em- ema emb eme emg eml emm ems es- esa esb ese esg esl esm ess gaa gab gae gag gal gam gas gba gbe gbg gbl gbm gbs ge- gea geb gee geg gel gem ges gga ggb ggg ggm ggs gla glb gle glg gll glm gls gma gmb gme gmg gml gmm gms gsa gsb gse gsg gsl gsm gss la- laa lab lae lag lal lam las lba lbb lbe lbg lbl lbm lbs lea leb lee leg lel lem les lga lgb lge lgg lgl lgm lgs lla llb lle llg lll llm lls lma lmb lme lmg lml lmm lms lsa lsb lse lsg lsl lsm lss maa mab mae mag mal mam mas mba mbb mbe mbg mbl mbm mbs mea meb mee meg mel mem mes mga mgb mge mgl mgm mgs mla mlb mle mlg mll mlm mls mma mmb mme mmg mml mmm mms msa msb mse msg msl msm mss saa sab sae sag sal sam sas sba sbb sbe sbg sbl sbm sbs se- sea seb see seg sel sem ses sga sgb sge sgg sgl sgm sgs sla slb sle slg sll slm sls sma smb sme smg sml smm sms ss- ssa ssb sse ssg ssl ssm sss