fogy ofgy fgoy gfoy ogfy gofy foyg ofyg fyog yfog oyfg yofg fgyo gfyo fygo yfgo gyfo ygfo ogyf goyf oygf yogf gyof ygof
Note: these 'words' (valid or invalid) are all the permutations of the word fogy. These words are obtained by scrambling the letters in fogy.