ddddd dedde dedee deden dedon dedun deede deene dende denee denne denno denon do-do dodon dodoo don-e donde dondo donee donen donne donon doodo doone doude douen doune doxed duddo duded duden dudon dudou dueon dundo duned dunne dunno dunod dunun dunxu dxdxd e-dee e-one eddoe edeo- eeden eeeee ended enden endo- endon endue ennde enode enone eundo eunoe exede exene exode exude exxon nedde neded neden nedon neede nende nenno neode neoux neuen neueu neune neuou nexen nexoe nexon nnooo no-do no-no noded noend non-u nonde nondo nonne nonno noone noonu noune noxon nu-nu nueno nunon nunun nuxeo odeen odeon odone odudu oeno- oenoe one-x onend onene oneno oneon oneux onne- onnen onond onone onoon onxeo oonde ooooo oouen oudon ouedo ouene ounde udenu undee unden undue undun unend unnun uno-x unode uouee uuuuu x-one xendo xeno- xenon xexeu xexex xonox xoxox xudun