text: The nucleus of these stories is formed by an old Persian book called Hezar-afsana or the `` Thousand Myths '' ( Persian : Ù Ø Ø Ø Ø Ù Ø Ø Ù Ù ) .
simplified: The main part of these stories is formed by an old Persian book called Hezar-afsana or the `` Thousand Myths '' ( Persian : Ù Ø Ø Ø Ø Ù Ø Ø Ù Ù ) .