ledum eldum ldeum dleum edlum delum leudm eludm luedm uledm euldm ueldm lduem dluem ludem uldem dulem udlem edulm deulm eudlm uedlm duelm udelm ledmu eldmu ldemu dlemu edlmu delmu lemdu elmdu lmedu mledu emldu meldu ldmeu dlmeu lmdeu mldeu dmleu mdleu edmlu demlu emdlu medlu dmelu mdelu leumd elumd luemd ulemd eulmd uelmd lemud elmud lmeud mleud emlud melud lumed ulmed lmued mlued umled muled eumld uemld emuld meuld umeld mueld ldume dlume ludme uldme dulme udlme ldmue dlmue lmdue mldue dmlue mdlue lumde ulmde lmude mlude umlde mulde dumle udmle dmule mdule umdle mudle eduml deuml eudml uedml dueml udeml edmul demul emdul medul dmeul mdeul eumdl uemdl emudl meudl umedl muedl dumel udmel dmuel mduel umdel mudel
Note: these 'words' (valid or invalid) are all the permutations of the word ledum. These words are obtained by scrambling the letters in ledum.