taffy atffy tfafy ftafy aftfy fatfy taffy atffy tfafy ftafy aftfy fatfy tffay ftfay tffay ftfay fftay fftay affty fafty affty fafty ffaty ffaty tafyf atfyf tfayf ftayf aftyf fatyf tayff atyff tyaff ytaff aytff yatff tfyaf ftyaf tyfaf ytfaf fytaf yftaf afytf faytf ayftf yaftf fyatf yfatf tafyf atfyf tfayf ftayf aftyf fatyf tayff atyff tyaff ytaff aytff yatff tfyaf ftyaf tyfaf ytfaf fytaf yftaf afytf faytf ayftf yaftf fyatf yfatf tffya ftfya tffya ftfya fftya fftya tfyfa ftyfa tyffa ytffa fytfa yftfa tfyfa ftyfa tyffa ytffa fytfa yftfa ffyta ffyta fyfta yffta fyfta yffta affyt fafyt affyt fafyt ffayt ffayt afyft fayft ayfft yafft fyaft yfaft afyft fayft ayfft yafft fyaft yfaft ffyat ffyat fyfat yffat fyfat yffat
Note: these 'words' (valid or invalid) are all the permutations of the word taffy. These words are obtained by scrambling the letters in taffy.