ghsh hgsh gshh sghh hsgh shgh ghhs hghs ghhs hghs hhgs hhgs gshh sghh ghsh hgsh shgh hsgh hshg shhg hhsg hhsg shhg hshg
Note: these 'words' (valid or invalid) are all the permutations of the word ghsh. These words are obtained by scrambling the letters in ghsh.