-er -ol ddd dde ddf ddg ddl ddo ddr de- ded dee def deg del deo der dev dfd dfe dff dfg dfl dfo dfr dfv dgd dge dgf dgg dgl dgr dl- dld dle dlf dlg dll dlo dlr dlv dod doe dof dog dol doo dor dov drd dre drg drl dro drr drv dvd dve dvg dvl dvr ed- edd ede edf edg edl edo edr eed eee eef eeg eel eeo eer eev ef- efd efe eff efg efl efo efr egd ege egf egg egl ego egr eld ele elf elg ell elo elr elv eo- eod eoe eof eog eol eoo eor erd ere erf erg erl ero err erv evd eve evf evg evl evo evr evv fdd fde fdf fdg fdl fdo fdr fed fee fef feg fel feo fer fev ffd ffe fff ffg ffl ffo ffr ffv fgd fge fgf fgg fgl fgr fgv fld fle flf flg fll flo flr foe fof fog fol foo for frd fre frf frg frl fro frr fvd fvg g-d gdd gde gdf gdl gdo gdr gdv ge- ged gee gef geg gel geo ger gev gfd gfe gff gfl gfo gfr ggd ggg ggo ggr ggv gld gle glf glg gll glo glr glv god goe gof gog gol goo gor gov grd gre grf grg grl gro grr grv gvd gve gvf gvg gvl gvo gvr ldd lde ldf ldg ldl ldo ldr ldv led lee lef leg lel leo ler lev lfd lfe lff lfg lfl lfo lfr lgd lge lgf lgg lgl lgo lgr lgv lld lle llf llg lll llo llr llv lod loe lof log lol loo lor lov lrd lrf lrg lro lrr lrv lvd lve lvf lvg lvl lvr lvv odd ode odf odg odl odo odr odv oed oee oef oeg oel oeo oer of- ofd ofe off ofg ofl ofo ofr ofv ogd oge ogf ogg ogl ogo old ole olf olg oll olo oo- ood oof oog ool ooo oor oov or- ord ore orf org orl oro orr orv ov- ovd ove ovf ovl ovo ovv rdd rde rdf rdg rdl rdo rdr rdv re- red ree ref reg rel reo rer rev rfd rfe rff rfg rfl rfo rfr rfv rgd rge rgf rgg rgo rgr rgv rld rle rlf rlg rll rlo rlr rod roe rof rog rol roo ror rov rrd rrf rrg rrl rrr rvd rve rvf rvg rvl rvo rvr rvv v-e vdd vde vdf vdg vdl vdo vdr vdv ved vee vef veg vel veo ver vfd vff vfg vfl vfr vfv vgf vgg vgl vgo vgr vl- vld vle vlf vll vlo vlv vod voe vof vog vol voo vor vov vrd vre vrf vrg vrr vvg vvo vvr vvv