gljh lgjh gjlh jglh ljgh jlgh glhj lghj ghlj hglj lhgj hlgj gjhl jghl ghjl hgjl jhgl hjgl ljhg jlhg lhjg hljg jhlg hjlg
Note: these 'words' (valid or invalid) are all the permutations of the word gljh. These words are obtained by scrambling the letters in gljh.