Mythical creatures

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Across
  1. 3. It is a half fish half woman
  2. 6. It breathes fire.
  3. 7. It has a horn and it cant fly.
Down
  1. 1. It is white and big.
  2. 2. It is brown and looks like a gorila.
  3. 4. It looks like a horse that has wings.
  4. 5. It can fly and looks like a human.