-er ddd dde ddm ddo ddr ddw ddx de- ded dee dem deo der dew dex dmd dme dmm dmo dmr dmw dmx dod doe dom doo dor dow dox drd dre drm dro drr drw drx dwe dwm dwo dwr dww dwx dxd dxo dxr dxx ed- edd ede edm edo edr edw edx eed eee eem eeo eer eew eex em- emd eme emm emo emr emw emx eo- eod eoe eom eoo eor eow erd ere erm ero err erw ewd ewe ewm ewo ewr eww ex- exd exe exo exr exw exx m-o m-r m-w mdd mde mdm mdo mdr mdw mdx med mee mem meo mer mew mex mmd mme mmm mmo mmr mmw mmx mod moe mom moo mor mow mox mrd mre mrm mro mrr mrw mrx mwd mwe mwm mwo mwr mww mxd mxr odd ode odm odo odr oed oee oem oeo oer oex om- omd ome omm omo omr omw omx oo- ood oom ooo oor oow oox or- ord ore orm oro orr orx owd owe owm owo oww ox- oxo oxx rdd rde rdm rdo rdr rdx re- red ree rem reo rer rew rex rmd rme rmm rmo rmr rmx rod roe rom roo ror row rox rrd rrm rrr rwd rwe rwm rwr rxr wdm wdr wed wee wem weo wer wew wex wm- wmd wme wmm wmo wmr wod woe wom woo wor wow wox wr- wrd wre wrm wro wrr wrw wrx wwd wwe wwm wwo www wxw xde xdm xdr xed xee xem xer xew xex xmd xmm xmo xmr xmx xod xom xoo xor xox xrd xrx xwd xxo xxx