msude smude musde umsde sumde usmde msdue smdue mdsue dmsue sdmue dsmue mudse umdse mduse dmuse udmse dumse sudme usdme sdume dsume udsme dusme msued smued mused umsed sumed usmed mseud smeud mesud emsud semud esmud muesd umesd meusd emusd uemsd eumsd suemd usemd seumd esumd uesmd eusmd msdeu smdeu mdseu dmseu sdmeu dsmeu msedu smedu mesdu emsdu semdu esmdu mdesu dmesu medsu emdsu demsu edmsu sdemu dsemu sedmu esdmu desmu edsmu mudes umdes mdues dmues udmes dumes mueds umeds meuds emuds uemds eumds mdeus dmeus medus emdus demus edmus udems duems uedms eudms deums edums sudem usdem sduem dsuem udsem dusem suedm usedm seudm esudm uesdm eusdm sdeum dseum sedum esdum desum edsum udesm duesm uedsm eudsm deusm edusm
Note: these 'words' (valid or invalid) are all the permutations of the word msude. These words are obtained by scrambling the letters in msude.