judy ujdy jduy djuy udjy dujy juyd ujyd jyud yjud uyjd yujd jdyu djyu jydu yjdu dyju ydju udyj duyj uydj yudj dyuj yduj
Note: these 'words' (valid or invalid) are all the permutations of the word judy. These words are obtained by scrambling the letters in judy.