catty actty ctaty tcaty atcty tacty catty actty ctaty tcaty atcty tacty cttay tctay cttay tctay ttcay ttcay attcy tatcy attcy tatcy ttacy ttacy catyt actyt ctayt tcayt atcyt tacyt caytt acytt cyatt ycatt ayctt yactt ctyat tcyat cytat yctat tycat ytcat atyct tayct aytct yatct tyact ytact catyt actyt ctayt tcayt atcyt tacyt caytt acytt cyatt ycatt ayctt yactt ctyat tcyat cytat yctat tycat ytcat atyct tayct aytct yatct tyact ytact cttya tctya cttya tctya ttcya ttcya ctyta tcyta cytta yctta tycta ytcta ctyta tcyta cytta yctta tycta ytcta ttyca ttyca tytca yttca tytca yttca attyc tatyc attyc tatyc ttayc ttayc atytc taytc ayttc yattc tyatc ytatc atytc taytc ayttc yattc tyatc ytatc ttyac ttyac tytac yttac tytac yttac
Note: these 'words' (valid or invalid) are all the permutations of the word catty. These words are obtained by scrambling the letters in catty.