-al a-a a-b aaa aab aad aae aag aal aas ab- aba abb abd abe abg abl abs ad- ada adb add ade adg adl ads aea aeb aed aee aeg ael aes ag- aga agb agd age agg agl ags al- ala alb ald ale alg all als as- asa asb asd ase asg asl ass baa bab bad bae bag bal bas bba bbb bbd bbe bbg bbl bbs bda bdb bdd bde bdg bdl bds be- bea beb bed bee beg bel bes bga bgb bgd bge bgg bgl bgs bla blb bld ble blg bll bls bsa bsb bsd bse bsg bsl bss daa dab dad dae dag dal das dba dbb dbd dbe dbg dbl dbs dda ddb ddd dde ddg ddl dds de- dea deb ded dee deg del des dga dgd dge dgg dgl dgs dl- dla dlb dld dle dlg dll dls dsa dsb dsd dse dsg dsl dss eaa eab ead eae eag eal eas eba ebb ebd ebe ebg ebl ebs ed- eda edb edd ede edg edl eds eea eeb eed eee eeg eel ees ega egb egd ege egg egl egs ela elb eld ele elg ell els es- esa esb esd ese esg esl ess g-d gaa gab gad gae gag gal gas gba gbd gbe gbg gbl gbs gda gdb gdd gde gdl gds ge- gea geb ged gee geg gel ges gga ggb ggd ggg ggs gla glb gld gle glg gll gls gsa gsb gsd gse gsg gsl gss la- laa lab lad lae lag lal las lba lbb lbd lbe lbg lbl lbs lda ldb ldd lde ldg ldl lds lea leb led lee leg lel les lga lgb lgd lge lgg lgl lgs lla llb lld lle llg lll lls lsa lsb lsd lse lsg lsl lss saa sab sad sae sag sal sas sba sbb sbd sbe sbg sbl sbs sda sdb sdd sde sdg sdl sds se- sea seb sed see seg sel ses sga sgb sgd sge sgg sgl sgs sla slb sld sle slg sll sls ss- ssa ssb ssd sse ssg ssl sss