nudzh undzh nduzh dnuzh udnzh dunzh nuzdh unzdh nzudh znudh uzndh zundh ndzuh dnzuh nzduh znduh dznuh zdnuh udznh duznh uzdnh zudnh dzunh zdunh nudhz undhz nduhz dnuhz udnhz dunhz nuhdz unhdz nhudz hnudz uhndz hundz ndhuz dnhuz nhduz hnduz dhnuz hdnuz udhnz duhnz uhdnz hudnz dhunz hdunz nuzhd unzhd nzuhd znuhd uznhd zunhd nuhzd unhzd nhuzd hnuzd uhnzd hunzd nzhud znhud nhzud hnzud zhnud hznud uzhnd zuhnd uhznd huznd zhund hzund ndzhu dnzhu nzdhu zndhu dznhu zdnhu ndhzu dnhzu nhdzu hndzu dhnzu hdnzu nzhdu znhdu nhzdu hnzdu zhndu hzndu dzhnu zdhnu dhznu hdznu zhdnu hzdnu udzhn duzhn uzdhn zudhn dzuhn zduhn udhzn duhzn uhdzn hudzn dhuzn hduzn uzhdn zuhdn uhzdn huzdn zhudn hzudn dzhun zdhun dhzun hdzun zhdun hzdun
Note: these 'words' (valid or invalid) are all the permutations of the word nudzh. These words are obtained by scrambling the letters in nudzh.