-al a-a a-b aaa aab aad aag aal aar aas ab- aba abb abd abg abl abr abs ad- ada adb add adg adl adr ads ag- aga agb agd agg agl agr ags al- ala alb ald alg all alr als ar- ara arb ard arg arl arr ars as- asa asb asd asg asl asr ass baa bab bad bag bal bar bas bba bbb bbd bbg bbl bbr bbs bda bdb bdd bdg bdl bdr bds bga bgb bgd bgg bgl bgr bgs bla blb bld blg bll blr bls bra brb brd brg brl brr brs bsa bsb bsd bsg bsl bsr bss daa dab dad dag dal dar das dba dbb dbd dbg dbl dbr dbs dda ddb ddd ddg ddl ddr dds dga dgd dgg dgl dgr dgs dl- dla dlb dld dlg dll dlr dls dra drb drd drg drl drr drs dsa dsb dsd dsg dsl dsr dss g-d gaa gab gad gag gal gar gas gba gbd gbg gbl gbr gbs gda gdb gdd gdl gdr gds gga ggb ggd ggg ggr ggs gla glb gld glg gll glr gls gra grb grd grg grl grr grs gsa gsb gsd gsg gsl gsr gss la- laa lab lad lag lal lar las lba lbb lbd lbg lbl lbr lbs lda ldb ldd ldg ldl ldr lds lga lgb lgd lgg lgl lgr lgs lla llb lld llg lll llr lls lra lrb lrd lrg lrr lrs lsa lsb lsd lsg lsl lsr lss ra- raa rab rad rag ral rar ras rba rbb rbd rbg rbl rbr rbs rda rdb rdd rdg rdl rdr rds rga rgb rgd rgg rgr rgs rla rld rlg rll rlr rls rra rrb rrd rrg rrl rrr rrs rsa rsb rsd rsg rsl rsr rss saa sab sad sag sal sar sas sba sbb sbd sbg sbl sbr sbs sda sdb sdd sdg sdl sdr sds sga sgb sgd sgg sgl sgr sgs sla slb sld slg sll slr sls sr- sra srb srd srg srl srr srs ss- ssa ssb ssd ssg ssl ssr sss