-er ddd dde ddf ddg ddn ddo ddr de- ded dee def deg den deo der dfd dfe dff dfg dfn dfo dfr dgd dge dgf dgg dgn dgr dnd dne dnf dng dnn dno dnr dod doe dof dog don doo dor drd dre drg drn dro drr ed- edd ede edf edg edn edo edr eed eee eef eeg een eeo eer ef- efd efe eff efg efo efr egd ege egf egg egn ego egr en- end ene enf eng enn eno enr eo- eod eoe eof eog eon eoo eor erd ere erf erg ern ero err fdd fde fdf fdg fdn fdo fdr fed fee fef feg fen feo fer ffd ffe fff ffg ffn ffo ffr fgd fge fgf fgg fgn fgr fnd fne fnf fng fnn fnr foe fof fog fon foo for frd fre frf frg frn fro frr g-d gdd gde gdf gdn gdo gdr ge- ged gee gef geg gen geo ger gfd gfe gff gfo gfr ggd ggg ggn ggo ggr gnd gne gnf gnn gno gnr god goe gof gog gon goo gor grd gre grf grg grn gro grr ndd nde ndf ndg ndn ndo ndr ne- ned nee nef neg nen neo ner nfd nfe nff nfn nfo nfr ngd nge ngf ngg ngn ngo nne nnf nng nnn nno no- nod noe nof nog non noo nor nrd nre nrf nrg nrn nro nrr odd ode odf odg odn odo odr oed oee oef oeg oen oeo oer of- ofd ofe off ofg ofn ofo ofr ogd oge ogf ogg ogn ogo on- ond one onf ong onn ono onr oo- ood oof oog oon ooo oor or- ord ore orf org orn oro orr rdd rde rdf rdg rdn rdo rdr re- red ree ref reg ren reo rer rfd rfe rff rfg rfn rfo rfr rgd rge rgf rgg rgn rgo rgr rnd rng rnn rno rnr rod roe rof rog ron roo ror rrd rrf rrg rrn rrr