-er -ol ddd dde ddg ddl ddo ddr dds de- ded dee deg del deo der des dev dgd dge dgg dgl dgr dgs dl- dld dle dlg dll dlo dlr dls dlv dod doe dog dol doo dor dos dov drd dre drg drl dro drr drs drv dsd dse dsg dsl dso dsr dss dsv dvd dve dvg dvl dvr dvs ed- edd ede edg edl edo edr eds eed eee eeg eel eeo eer ees eev egd ege egg egl ego egr egs eld ele elg ell elo elr els elv eo- eod eoe eog eol eoo eor eos erd ere erg erl ero err ers erv es- esd ese esg esl eso esr ess esv evd eve evg evl evo evr evs evv g-d gdd gde gdl gdo gdr gds gdv ge- ged gee geg gel geo ger ges gev ggd ggg ggo ggr ggs ggv gld gle glg gll glo glr gls glv god goe gog gol goo gor gos gov grd gre grg grl gro grr grs grv gsd gse gsg gsl gso gsr gss gsv gvd gve gvg gvl gvo gvr gvs ldd lde ldg ldl ldo ldr lds ldv led lee leg lel leo ler les lev lgd lge lgg lgl lgo lgr lgs lgv lld lle llg lll llo llr lls llv lod loe log lol loo lor los lov lrd lrg lro lrr lrs lrv lsd lse lsg lsl lso lsr lss lsv lvd lve lvg lvl lvr lvs lvv odd ode odg odl odo odr ods odv oed oee oeg oel oeo oer oes ogd oge ogg ogl ogo ogs old ole olg oll olo ols oo- ood oog ool ooo oor oos oov or- ord ore org orl oro orr ors orv os- osd ose osg osl oso osr oss osv ov- ovd ove ovl ovo ovs ovv rdd rde rdg rdl rdo rdr rds rdv re- red ree reg rel reo rer res rev rgd rge rgg rgo rgr rgs rgv rld rle rlg rll rlo rlr rls rod roe rog rol roo ror ros rov rrd rrg rrl rrr rrs rsd rse rsg rsl rso rsr rss rsv rvd rve rvg rvl rvo rvr rvs rvv sdd sde sdg sdl sdo sdr sds sdv se- sed see seg sel seo ser ses sev sgd sge sgg sgl sgo sgr sgs sgv sld sle slg sll slo slr sls slv sod soe sog sol soo sor sos sov sr- srd sre srg srl sro srr srs srv ss- ssd sse ssg ssl sso ssr sss ssv svd sve svg svl svo svr svs svv v-e vdd vde vdg vdl vdo vdr vds vdv ved vee veg vel veo ver ves vgg vgl vgo vgr vgs vl- vld vle vll vlo vls vlv vod voe vog vol voo vor vos vov vrd vre vrg vrr vrs vsd vse vsg vsl vso vsr vss vsv vvg vvo vvr vvs vvv