-er ddd dde ddf ddi ddm ddo ddr de- ded dee def dei dem deo der dfd dfe dff dfi dfm dfo dfr di- did die dif dii dim dio dir dmd dme dmf dmi dmm dmo dmr dod doe dof doi dom doo dor drd dre dri drm dro drr ed- edd ede edf edi edm edo edr eed eee eef eem eeo eer ef- efd efe eff efi efm efo efr eid eie eif eii eim eio eir em- emd eme emf emi emm emo emr eo- eod eoe eof eoi eom eoo eor erd ere erf eri erm ero err fdd fde fdf fdi fdm fdo fdr fed fee fef fei fem feo fer ffd ffe fff ffi ffm ffo ffr fid fie fif fii fim fir fmd fme fmf fmi fmm fmo fmr foe fof foi fom foo for frd fre frf fri frm fro frr i-d i-f idd ide idf idi idm ido idr ie- ied iee ief iei iem ier ifd ife iff ifi ifm ifo ifr iid iie iif iii iim iio iir im- imd ime imf imi imm imo io- iod ioe iof ioi iom ioo ior ir- ird ire irf iri irm iro irr m-f m-o m-r mdd mde mdf mdi mdm mdo mdr med mee mef mei mem meo mer mfd mfe mff mfi mfm mfo mfr mi- mid mie mif mii mim mio mir mmd mme mmf mmi mmm mmo mmr mod moe mof moi mom moo mor mrd mre mrf mri mrm mro mrr o-i odd ode odf odi odm odo odr oed oee oef oei oem oeo oer of- ofd ofe off ofi ofm ofo ofr oid oie oif oii oim oio oir om- omd ome omf omi omm omo omr oo- ood oof ooi oom ooo oor or- ord ore orf ori orm oro orr rdd rde rdf rdi rdm rdo rdr re- red ree ref rei rem reo rer rfd rfe rff rfi rfm rfo rfr rid rie rif rii rim rio rir rmd rme rmf rmi rmm rmo rmr rod roe rof roi rom roo ror rrd rrf rri rrm rrr