njry jnry nrjy rnjy jrny rjny njyr jnyr nyjr ynjr jynr yjnr nryj rnyj nyrj ynrj rynj yrnj jryn rjyn jyrn yjrn ryjn yrjn
Note: these 'words' (valid or invalid) are all the permutations of the word njry. These words are obtained by scrambling the letters in njry.