-er -ol ddd dde ddf ddg ddl ddo ddr de- ded dee def deg del deo der dfd dfe dff dfg dfl dfo dfr dgd dge dgf dgg dgl dgr dl- dld dle dlf dlg dll dlo dlr dod doe dof dog dol doo dor drd dre drg drl dro drr ed- edd ede edf edg edl edo edr eed eee eef eeg eel eeo eer ef- efd efe eff efg efl efo efr egd ege egf egg egl ego egr eld ele elf elg ell elo elr eo- eod eoe eof eog eol eoo eor erd ere erf erg erl ero err fdd fde fdf fdg fdl fdo fdr fed fee fef feg fel feo fer ffd ffe fff ffg ffl ffo ffr fgd fge fgf fgg fgl fgr fld fle flf flg fll flo flr foe fof fog fol foo for frd fre frf frg frl fro frr g-d gdd gde gdf gdl gdo gdr ge- ged gee gef geg gel geo ger gfd gfe gff gfl gfo gfr ggd ggg ggo ggr gld gle glf glg gll glo glr god goe gof gog gol goo gor grd gre grf grg grl gro grr ldd lde ldf ldg ldl ldo ldr led lee lef leg lel leo ler lfd lfe lff lfg lfl lfo lfr lgd lge lgf lgg lgl lgo lgr lld lle llf llg lll llo llr lod loe lof log lol loo lor lrd lrf lrg lro lrr odd ode odf odg odl odo odr oed oee oef oeg oel oeo oer of- ofd ofe off ofg ofl ofo ofr ogd oge ogf ogg ogl ogo old ole olf olg oll olo oo- ood oof oog ool ooo oor or- ord ore orf org orl oro orr rdd rde rdf rdg rdl rdo rdr re- red ree ref reg rel reo rer rfd rfe rff rfg rfl rfo rfr rgd rge rgf rgg rgo rgr rld rle rlf rlg rll rlo rlr rod roe rof rog rol roo ror rrd rrf rrg rrl rrr