A weird combo,no theme.

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Across
  1. 2. pac with a lt
  2. 4. s
  3. 6. horizon ______ game
  4. 8. 3 jees in a row
  5. 9. Large marsupial
Down
  1. 1. a plus a Flying mammal
  2. 3. optional pets
  3. 4. Has a trunk
  4. 5. Man's best friend
  5. 7. optional guarantee
  6. 10. 4 first letters of alphabet