-er ddd dde ddg ddi ddl ddr dds de- ded dee deg dei del der des dgd dge dgg dgi dgl dgr dgs di- did die dig dii dil dir dis dl- dld dle dlg dli dll dlr dls drd dre drg dri drl drr drs dsd dse dsg dsi dsl dsr dss ed- edd ede edg edi edl edr eds eed eee eeg eel eer ees egd ege egg egi egl egr egs eid eie eig eii eil eir eis eld ele elg eli ell elr els erd ere erg eri erl err ers es- esd ese esg esi esl esr ess g-d gdd gde gdi gdl gdr gds ge- ged gee geg gei gel ger ges ggd ggg ggi ggr ggs gid gie gig gii gil gir gis gld gle glg gli gll glr gls grd gre grg gri grl grr grs gsd gse gsg gsi gsl gsr gss i-d idd ide idg idi idl idr ids ie- ied iee ieg iei iel ier ies igd ige igg igi igl igr igs iid iie iii iil iir iis il- ild ile ilg ili ill ilr ils ir- ird ire irg iri irl irr irs is- isd ise isg isi isl isr iss ldd lde ldg ldi ldl ldr lds led lee leg lei lel ler les lgd lge lgg lgi lgl lgr lgs lid lie lig lii lil lir lis lld lle llg lli lll llr lls lrd lrg lri lrr lrs lsd lse lsg lsi lsl lsr lss rdd rde rdg rdi rdl rdr rds re- red ree reg rei rel rer res rgd rge rgg rgi rgr rgs rid rie rig rii ril rir ris rld rle rlg rli rll rlr rls rrd rrg rri rrl rrr rrs rsd rse rsg rsi rsl rsr rss sdd sde sdg sdi sdl sdr sds se- sed see seg sei sel ser ses sgd sge sgg sgi sgl sgr sgs sid sie sig sii sil sir sis sld sle slg sli sll slr sls sr- srd sre srg sri srl srr srs ss- ssd sse ssg ssi ssl ssr sss