-er ddd dde ddg ddl ddr dds de- ded dee deg del der des dgd dge dgg dgl dgr dgs dl- dld dle dlg dll dlr dls drd dre drg drl drr drs dsd dse dsg dsl dsr dss ed- edd ede edg edl edr eds eed eee eeg eel eer ees egd ege egg egl egr egs eld ele elg ell elr els erd ere erg erl err ers es- esd ese esg esl esr ess g-d gdd gde gdl gdr gds ge- ged gee geg gel ger ges ggd ggg ggr ggs gld gle glg gll glr gls grd gre grg grl grr grs gsd gse gsg gsl gsr gss ldd lde ldg ldl ldr lds led lee leg lel ler les lgd lge lgg lgl lgr lgs lld lle llg lll llr lls lrd lrg lrr lrs lsd lse lsg lsl lsr lss rdd rde rdg rdl rdr rds re- red ree reg rel rer res rgd rge rgg rgr rgs rld rle rlg rll rlr rls rrd rrg rrl rrr rrs rsd rse rsg rsl rsr rss sdd sde sdg sdl sdr sds se- sed see seg sel ser ses sgd sge sgg sgl sgr sgs sld sle slg sll slr sls sr- srd sre srg srl srr srs ss- ssd sse ssg ssl ssr sss