-al a-a a-b aaa aab aad aag aal ab- aba abb abd abg abl ad- ada adb add adg adl ag- aga agb agd agg agl al- ala alb ald alg all baa bab bad bag bal bba bbb bbd bbg bbl bda bdb bdd bdg bdl bga bgb bgd bgg bgl bla blb bld blg bll daa dab dad dag dal dba dbb dbd dbg dbl dda ddb ddd ddg ddl dga dgd dgg dgl dl- dla dlb dld dlg dll g-d gaa gab gad gag gal gba gbd gbg gbl gda gdb gdd gdl gga ggb ggd ggg gla glb gld glg gll la- laa lab lad lag lal lba lbb lbd lbg lbl lda ldb ldd ldg ldl lga lgb lgd lgg lgl lla llb lld llg lll