-er ddd dde ddf ddg ddi ddo ddr ddu de- ded dee def deg dei deo der deu dfd dfe dff dfg dfi dfo dfr dfu dgd dge dgf dgg dgi dgr dgu di- did die dif dig dii dio dir diu dod doe dof dog doi doo dor dou drd dre drg dri dro drr dru dud due duf dug dui duo dur ed- edd ede edf edg edi edo edr edu eed eee eef eeg eeo eer ef- efd efe eff efg efi efo efr egd ege egf egg egi ego egr egu eid eie eif eig eii eio eir eiu eo- eod eoe eof eog eoi eoo eor eou erd ere erf erg eri ero err eru eu- eud eue euf eug eui eur fdd fde fdf fdg fdi fdo fdr fdu fed fee fef feg fei feo fer feu ffd ffe fff ffg ffi ffo ffr ffu fgd fge fgf fgg fgi fgr fid fie fif fig fii fir fiu foe fof fog foi foo for fou frd fre frf frg fri fro frr fru fud fue fuf fug fui fuo fur fuu g-d gdd gde gdf gdi gdo gdr gdu ge- ged gee gef geg gei geo ger geu gfd gfe gff gfi gfo gfr ggd ggg ggi ggo ggr ggu gid gie gif gig gii gio gir giu god goe gof gog goi goo gor gou grd gre grf grg gri gro grr gru gu- gud gue guf gug gui guo gur guu i-d i-f idd ide idf idg idi ido idr idu ie- ied iee ief ieg iei ier ifd ife iff ifg ifi ifo ifr ifu igd ige igf igg igi igo igr igu iid iie iif iii iio iir iiu io- iod ioe iof iog ioi ioo ior iou ir- ird ire irf irg iri iro irr iru iu- iud iue iug iui iur o-i odd ode odf odg odi odo odr odu oed oee oef oeg oei oeo oer of- ofd ofe off ofg ofi ofo ofr ofu ogd oge ogf ogg ogi ogo oid oie oif oii oio oir oiu oo- ood oof oog ooi ooo oor or- ord ore orf org ori oro orr oru ou- oud oue ouf oui ouo our rdd rde rdf rdg rdi rdo rdr rdu re- red ree ref reg rei reo rer reu rfd rfe rff rfg rfi rfo rfr rfu rgd rge rgf rgg rgi rgo rgr rid rie rif rig rii rio rir rod roe rof rog roi roo ror rou rrd rrf rrg rri rrr rru rud rue ruf rug rui ruo rur ruu udd ude udf udg udi udo udr udu ued uee uef ueg uei uer ufd ufe uff ufg ufi ufo ufr ufu uge ugf ugg ugi ugo ugr ugu uid uie uif uig uii uio uir uiu uod uoe uog uoo uor ur- urd ure urf urg uri uro urr uru uue uug uur uuu