cvxx vcxx cxvx xcvx vxcx xvcx cvxx vcxx cxvx xcvx vxcx xvcx cxxv xcxv cxxv xcxv xxcv xxcv vxxc xvxc vxxc xvxc xxvc xxvc
Note: these 'words' (valid or invalid) are all the permutations of the word cvxx. These words are obtained by scrambling the letters in cvxx.