icky ciky ikcy kicy ckiy kciy icyk ciyk iyck yick cyik ycik ikyc kiyc iykc yikc kyic ykic ckyi kcyi cyki ycki kyci ykci
Note: these 'words' (valid or invalid) are all the permutations of the word icky. These words are obtained by scrambling the letters in icky.