-er ddd dde ddf ddg ddi ddo ddr de- ded dee def deg dei deo der dev dfd dfe dff dfg dfi dfo dfr dfv dgd dge dgf dgg dgi dgr di- did die dif dig dii dio dir div dod doe dof dog doi doo dor dov drd dre drg dri dro drr drv dvd dve dvg dvi dvr ed- edd ede edf edg edi edo edr eed eee eef eeg eeo eer eev ef- efd efe eff efg efi efo efr egd ege egf egg egi ego egr eid eie eif eig eii eio eir eiv eo- eod eoe eof eog eoi eoo eor erd ere erf erg eri ero err erv evd eve evf evg evi evo evr evv fdd fde fdf fdg fdi fdo fdr fed fee fef feg fei feo fer fev ffd ffe fff ffg ffi ffo ffr ffv fgd fge fgf fgg fgi fgr fgv fid fie fif fig fii fir foe fof fog foi foo for frd fre frf frg fri fro frr fvd fvg g-d gdd gde gdf gdi gdo gdr gdv ge- ged gee gef geg gei geo ger gev gfd gfe gff gfi gfo gfr ggd ggg ggi ggo ggr ggv gid gie gif gig gii gio gir giv god goe gof gog goi goo gor gov grd gre grf grg gri gro grr grv gvd gve gvf gvg gvi gvo gvr i-d i-f i-v idd ide idf idg idi ido idr idv ie- ied iee ief ieg iei ier iev ifd ife iff ifg ifi ifo ifr igd ige igf igg igi igo igr iid iie iif iii iio iir io- iod ioe iof iog ioi ioo ior iov ir- ird ire irf irg iri iro irr irv ivd ive ivf ivg ivi ivo ivr ivv o-i odd ode odf odg odi odo odr odv oed oee oef oeg oei oeo oer of- ofd ofe off ofg ofi ofo ofr ofv ogd oge ogf ogg ogi ogo oid oie oif oii oio oir oiv oo- ood oof oog ooi ooo oor oov or- ord ore orf org ori oro orr orv ov- ovd ove ovf ovi ovo ovv rdd rde rdf rdg rdi rdo rdr rdv re- red ree ref reg rei reo rer rev rfd rfe rff rfg rfi rfo rfr rfv rgd rge rgf rgg rgi rgo rgr rgv rid rie rif rig rii rio rir riv rod roe rof rog roi roo ror rov rrd rrf rrg rri rrr rvd rve rvf rvg rvi rvo rvr rvv v-e vdd vde vdf vdg vdi vdo vdr vdv ved vee vef veg vei veo ver vfd vff vfg vfi vfr vfv vgf vgg vgo vgr vi- vid vie vif vig vii vio vir viv vod voe vof vog voi voo vor vov vrd vre vrf vrg vri vrr vvg vvi vvo vvr vvv