-er ddd dde ddf ddg ddi ddm ddo ddr de- ded dee def deg dei dem deo der dfd dfe dff dfg dfi dfm dfo dfr dgd dge dgf dgg dgi dgm dgr di- did die dif dig dii dim dio dir dmd dme dmf dmg dmi dmm dmo dmr dod doe dof dog doi dom doo dor drd dre drg dri drm dro drr ed- edd ede edf edg edi edm edo edr eed eee eef eeg eem eeo eer ef- efd efe eff efg efi efm efo efr egd ege egf egg egi egm ego egr eid eie eif eig eii eim eio eir em- emd eme emf emg emi emm emo emr eo- eod eoe eof eog eoi eom eoo eor erd ere erf erg eri erm ero err fdd fde fdf fdg fdi fdm fdo fdr fed fee fef feg fei fem feo fer ffd ffe fff ffg ffi ffm ffo ffr fgd fge fgf fgg fgi fgm fgr fid fie fif fig fii fim fir fmd fme fmf fmg fmi fmm fmo fmr foe fof fog foi fom foo for frd fre frf frg fri frm fro frr g-d gdd gde gdf gdi gdm gdo gdr ge- ged gee gef geg gei gem geo ger gfd gfe gff gfi gfm gfo gfr ggd ggg ggi ggm ggo ggr gid gie gif gig gii gim gio gir gmd gme gmf gmg gmi gmm gmo gmr god goe gof gog goi gom goo gor grd gre grf grg gri grm gro grr i-d i-f idd ide idf idg idi idm ido idr ie- ied iee ief ieg iei iem ier ifd ife iff ifg ifi ifm ifo ifr igd ige igf igg igi igm igo igr iid iie iif iii iim iio iir im- imd ime imf img imi imm imo io- iod ioe iof iog ioi iom ioo ior ir- ird ire irf irg iri irm iro irr m-f m-o m-r mdd mde mdf mdg mdi mdm mdo mdr med mee mef meg mei mem meo mer mfd mfe mff mfg mfi mfm mfo mfr mgd mge mgf mgi mgm mgo mgr mi- mid mie mif mig mii mim mio mir mmd mme mmf mmg mmi mmm mmo mmr mod moe mof mog moi mom moo mor mrd mre mrf mrg mri mrm mro mrr o-i odd ode odf odg odi odm odo odr oed oee oef oeg oei oem oeo oer of- ofd ofe off ofg ofi ofm ofo ofr ogd oge ogf ogg ogi ogo oid oie oif oii oim oio oir om- omd ome omf omg omi omm omo omr oo- ood oof oog ooi oom ooo oor or- ord ore orf org ori orm oro orr rdd rde rdf rdg rdi rdm rdo rdr re- red ree ref reg rei rem reo rer rfd rfe rff rfg rfi rfm rfo rfr rgd rge rgf rgg rgi rgo rgr rid rie rif rig rii rim rio rir rmd rme rmf rmg rmi rmm rmo rmr rod roe rof rog roi rom roo ror rrd rrf rrg rri rrm rrr