-er ddd dde ddg ddm ddn ddr de- ded dee deg dem den der dgd dge dgg dgm dgn dgr dmd dme dmg dmm dmn dmr dnd dne dng dnm dnn dnr drd dre drg drm drn drr ed- edd ede edg edm edn edr eed eee eeg eem een eer egd ege egg egm egn egr em- emd eme emg emm emn emr en- end ene eng enm enn enr erd ere erg erm ern err g-d gdd gde gdm gdn gdr ge- ged gee geg gem gen ger ggd ggg ggm ggn ggr gmd gme gmg gmm gmn gmr gnd gne gnm gnn gnr grd gre grg grm grn grr m-r mdd mde mdg mdm mdn mdr med mee meg mem men mer mgd mge mgm mgn mgr mmd mme mmg mmm mmn mmr mne mng mnm mnn mnr mrd mre mrg mrm mrn mrr ndd nde ndg ndm ndn ndr ne- ned nee neg nem nen ner ngd nge ngg ngm ngn nmd nme nmg nmm nmn nmr nne nng nnm nnn nrd nre nrg nrm nrn nrr rdd rde rdg rdm rdn rdr re- red ree reg rem ren rer rgd rge rgg rgn rgr rmd rme rmg rmm rmn rmr rnd rng rnm rnn rnr rrd rrg rrm rrn rrr