ddd ddf ddg ddm ddo ddr dfd dff dfg dfm dfo dfr dgd dgf dgg dgm dgr dmd dmf dmg dmm dmo dmr dod dof dog dom doo dor drd drg drm dro drr fdd fdf fdg fdm fdo fdr ffd fff ffg ffm ffo ffr fgd fgf fgg fgm fgr fmd fmf fmg fmm fmo fmr fof fog fom foo for frd frf frg frm fro frr g-d gdd gdf gdm gdo gdr gfd gff gfm gfo gfr ggd ggg ggm ggo ggr gmd gmf gmg gmm gmo gmr god gof gog gom goo gor grd grf grg grm gro grr m-f m-o m-r mdd mdf mdg mdm mdo mdr mfd mff mfg mfm mfo mfr mgd mgf mgm mgo mgr mmd mmf mmg mmm mmo mmr mod mof mog mom moo mor mrd mrf mrg mrm mro mrr odd odf odg odm odo odr of- ofd off ofg ofm ofo ofr ogd ogf ogg ogo om- omd omf omg omm omo omr oo- ood oof oog oom ooo oor or- ord orf org orm oro orr rdd rdf rdg rdm rdo rdr rfd rff rfg rfm rfo rfr rgd rgf rgg rgo rgr rmd rmf rmg rmm rmo rmr rod rof rog rom roo ror rrd rrf rrg rrm rrr