-er ddd dde ddf ddg ddn ddo ddr ddz de- ded dee def deg den deo der dez dfd dfe dff dfg dfn dfo dfr dfz dgd dge dgf dgg dgn dgr dgz dnd dne dnf dng dnn dno dnr dnz dod doe dof dog don doo dor doz drd dre drg drn dro drr drz dzd dze dzo dzr 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 enz eo- eod eoe eof eog eon eoo eor erd ere erf erg ern ero err erz eze ezf ezo ezr ezz fdd fde fdf fdg fdn fdo fdr fed fee fef feg fen feo fer fez ffd ffe fff ffg ffn ffo ffr ffz fgd fge fgf fgg fgn fgr fgz fnd fne fnf fng fnn fnr fnz foe fof fog fon foo for foz frd fre frf frg frn fro frr fzd g-d gdd gde gdf gdn gdo gdr ge- ged gee gef geg gen geo ger gez gfd gfe gff gfo gfr gfz ggd ggg ggn ggo ggr ggz gnd gne gnf gnn gno gnr god goe gof gog gon goo gor goz grd gre grf grg grn gro grr gzo gzr ndd nde ndf ndg ndn ndo ndr ne- ned nee nef neg nen neo ner nez nfd nfe nff nfn nfo nfr ngd nge ngf ngg ngn ngo nne nnf nng nnn nno nnz no- nod noe nof nog non noo nor noz nrd nre nrf nrg nrn nro nrr nrz nzd nze nzf nzg nzo nzz odd ode odf odg odn odo odr oed oee oef oeg oen oeo oer of- ofd ofe off ofg ofn ofo ofr ofz 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 orz oze ozo ozz rdd rde rdf rdg rdn rdo rdr re- red ree ref reg ren reo rer rez rfd rfe rff rfg rfn rfo rfr rfz rgd rge rgf rgg rgn rgo rgr rnd rng rnn rno rnr rnz rod roe rof rog ron roo ror roz rrd rrf rrg rrn rrr rze rzo z-g zdf zed zee zef zen zeo zer zez zfd zfn zfr zgg znd zne znn zno zo- zod zoe zof zog zon zoo zor zro zzr zzz