-al a-a a-b aaa aab aad aag aal aar ab- aba abb abd abg abl abr ad- ada adb add adg adl adr ag- aga agb agd agg agl agr al- ala alb ald alg all alr ar- ara arb ard arg arl arr baa bab bad bag bal bar bba bbb bbd bbg bbl bbr bda bdb bdd bdg bdl bdr bga bgb bgd bgg bgl bgr bla blb bld blg bll blr bra brb brd brg brl brr daa dab dad dag dal dar dba dbb dbd dbg dbl dbr dda ddb ddd ddg ddl ddr dga dgd dgg dgl dgr dl- dla dlb dld dlg dll dlr dra drb drd drg drl drr g-d gaa gab gad gag gal gar gba gbd gbg gbl gbr gda gdb gdd gdl gdr gga ggb ggd ggg ggr gla glb gld glg gll glr gra grb grd grg grl grr la- laa lab lad lag lal lar lba lbb lbd lbg lbl lbr lda ldb ldd ldg ldl ldr lga lgb lgd lgg lgl lgr lla llb lld llg lll llr lra lrb lrd lrg lrr ra- raa rab rad rag ral rar rba rbb rbd rbg rbl rbr rda rdb rdd rdg rdl rdr rga rgb rgd rgg rgr rla rld rlg rll rlr rra rrb rrd rrg rrl rrr