-er ddd dde ddf ddm ddn ddo ddr de- ded dee def dem den deo der dfd dfe dff dfm dfn dfo dfr dmd dme dmf dmm dmn dmo dmr dnd dne dnf dnm dnn dno dnr dod doe dof dom don doo dor drd dre drm drn dro drr ed- edd ede edf edm edn edo edr eed eee eef eem een eeo eer ef- efd efe eff efm efo efr em- emd eme emf emm emn emo emr en- end ene enf enm enn eno enr eo- eod eoe eof eom eon eoo eor erd ere erf erm ern ero err fdd fde fdf fdm fdn fdo fdr fed fee fef fem fen feo fer ffd ffe fff ffm ffn ffo ffr fmd fme fmf fmm fmn fmo fmr fnd fne fnf fnm fnn fnr foe fof fom fon foo for frd fre frf frm frn fro frr m-f m-o m-r mdd mde mdf mdm mdn mdo mdr med mee mef mem men meo mer mfd mfe mff mfm mfn mfo mfr mmd mme mmf mmm mmn mmo mmr mne mnf mnm mnn mno mnr mod moe mof mom mon moo mor mrd mre mrf mrm mrn mro mrr ndd nde ndf ndm ndn ndo ndr ne- ned nee nef nem nen neo ner nfd nfe nff nfn nfo nfr nmd nme nmm nmn nmo nmr nne nnf nnm nnn nno no- nod noe nof nom non noo nor nrd nre nrf nrm nrn nro nrr odd ode odf odm odn odo odr oed oee oef oem oen oeo oer of- ofd ofe off ofm ofn ofo ofr om- omd ome omf omm omn omo omr on- ond one onf onn ono onr oo- ood oof oom oon ooo oor or- ord ore orf orm orn oro orr rdd rde rdf rdm rdn rdo rdr re- red ree ref rem ren reo rer rfd rfe rff rfm rfn rfo rfr rmd rme rmf rmm rmn rmo rmr rnd rnm rnn rno rnr rod roe rof rom ron roo ror rrd rrf rrm rrn rrr