ummed mumed ummed mumed mmued mmued umemd muemd uemmd eummd meumd emumd umemd muemd uemmd eummd meumd emumd mmeud mmeud memud emmud memud emmud ummde mumde ummde mumde mmude mmude umdme mudme udmme dumme mdume dmume umdme mudme udmme dumme mdume dmume mmdue mmdue mdmue dmmue mdmue dmmue umedm muedm uemdm eumdm meudm emudm umdem mudem udmem dumem mduem dmuem uedmm eudmm udemm duemm edumm deumm medum emdum mdeum dmeum edmum demum umedm muedm uemdm eumdm meudm emudm umdem mudem udmem dumem mduem dmuem uedmm eudmm udemm duemm edumm deumm medum emdum mdeum dmeum edmum demum mmedu mmedu memdu emmdu memdu emmdu mmdeu mmdeu mdmeu dmmeu mdmeu dmmeu medmu emdmu mdemu dmemu edmmu demmu medmu emdmu mdemu dmemu edmmu demmu
Note: these 'words' (valid or invalid) are all the permutations of the word ummed. These words are obtained by scrambling the letters in ummed.