qnus nqus quns uqns nuqs unqs qnsu nqsu qsnu sqnu nsqu snqu qusn uqsn qsun squn usqn suqn nusq unsq nsuq snuq usnq sunq
Note: these 'words' (valid or invalid) are all the permutations of the word qnus. These words are obtained by scrambling the letters in qnus.