-er ddd dde ddf ddg ddn ddo ddr ddu de- ded dee def deg den deo der deu dfd dfe dff dfg dfn dfo dfr dfu dgd dge dgf dgg dgn dgr dgu dnd dne dnf dng dnn dno dnr dod doe dof dog don doo dor dou drd dre drg drn dro drr dru dud due duf dug dun duo dur ed- edd ede edf edg edn edo edr edu eed eee eef eeg een eeo eer ef- efd efe eff efg efo efr egd ege egf egg egn ego egr egu en- end ene enf eng enn eno enr enu eo- eod eoe eof eog eon eoo eor eou erd ere erf erg ern ero err eru eu- eud eue euf eug eun eur fdd fde fdf fdg fdn fdo fdr fdu fed fee fef feg fen feo fer feu ffd ffe fff ffg ffn ffo ffr ffu fgd fge fgf fgg fgn fgr fnd fne fnf fng fnn fnr fnu foe fof fog fon foo for fou frd fre frf frg frn fro frr fru fud fue fuf fug fun fuo fur fuu g-d gdd gde gdf gdn gdo gdr gdu ge- ged gee gef geg gen geo ger geu gfd gfe gff gfo gfr ggd ggg ggn ggo ggr ggu gnd gne gnf gnn gno gnr gnu god goe gof gog gon goo gor gou grd gre grf grg grn gro grr gru gu- gud gue guf gug gun guo gur guu ndd nde ndf ndg ndn ndo ndr ndu ne- ned nee nef neg nen neo ner neu nfd nfe nff nfn nfo nfr nfu ngd nge ngf ngg ngn ngo ngu nne nnf nng nnn nno nnu no- nod noe nof nog non noo nor nou nrd nre nrf nrg nrn nro nrr nru nud nue nug nun nuo nur nuu odd ode odf odg odn odo odr odu oed oee oef oeg oen oeo oer of- ofd ofe off ofg ofn ofo ofr ofu ogd oge ogf ogg ogn ogo on- ond one onf ong onn ono onr onu oo- ood oof oog oon ooo oor or- ord ore orf org orn oro orr oru ou- oud oue ouf oun ouo our rdd rde rdf rdg rdn rdo rdr rdu re- red ree ref reg ren reo rer reu rfd rfe rff rfg rfn rfo rfr rfu rgd rge rgf rgg rgn rgo rgr rnd rng rnn rno rnr rnu rod roe rof rog ron roo ror rou rrd rrf rrg rrn rrr rru rud rue ruf rug run ruo rur ruu udd ude udf udg udn udo udr udu ued uee uef ueg uen uer ufd ufe uff ufg ufn ufo ufr ufu uge ugf ugg ugn ugo ugr ugu un- und une unf ung unn uno unr unu uod uoe uog uon uoo uor ur- urd ure urf urg urn uro urr uru uue uug uun uur uuu