-er ddd dde ddg ddl ddr dds ddu de- ded dee deg del der des deu dgd dge dgg dgl dgr dgs dgu dl- dld dle dlg dll dlr dls dlu drd dre drg drl drr drs dru dsd dse dsg dsl dsr dss dsu dud due dug dul dur dus ed- edd ede edg edl edr eds edu eed eee eeg eel eer ees egd ege egg egl egr egs egu eld ele elg ell elr els elu erd ere erg erl err ers eru es- esd ese esg esl esr ess esu eu- eud eue eug eul eur eus g-d gdd gde gdl gdr gds gdu ge- ged gee geg gel ger ges geu ggd ggg ggr ggs ggu gld gle glg gll glr gls glu grd gre grg grl grr grs gru gsd gse gsg gsl gsr gss gsu gu- gud gue gug gul gur gus guu ldd lde ldg ldl ldr lds ldu led lee leg lel ler les leu lgd lge lgg lgl lgr lgs lgu lld lle llg lll llr lls llu lrd lrg lrr lrs lru lsd lse lsg lsl lsr lss lsu lud lue lug lul lur lus luu rdd rde rdg rdl rdr rds rdu re- red ree reg rel rer res reu rgd rge rgg rgr rgs rld rle rlg rll rlr rls rlu rrd rrg rrl rrr rrs rru rsd rse rsg rsl rsr rss rsu rud rue rug rur rus ruu sdd sde sdg sdl sdr sds sdu se- sed see seg sel ser ses seu sgd sge sgg sgl sgr sgs sgu sld sle slg sll slr sls slu sr- srd sre srg srl srr srs ss- ssd sse ssg ssl ssr sss ssu sud sue sug sul sur sus suu udd ude udg udl udr uds udu ued uee ueg uel uer ues uge ugg ugl ugr ugs ugu uld ule ulg ull ulr uls ulu ur- urd ure urg url urr urs uru usd use usg usl usr uss usu uue uug uur uus uuu