A1

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Across
  1. 6. believed to be extinct in cambodia until it's rediscovery (4th letter)
  2. 7. Deer named similarily to a name used in graphs X Y (2nd letter)
Down
  1. 1. one of the worlds smallest hoofed animals (4th letter)
  2. 2. Red dog like animal (2nd letter)
  3. 3. bearing marking of a king symbol in chinese (5th letter)
  4. 4. their tusks if not worn down or broken might pierce their own skulls (7th letter)
  5. 5. is a symbol of prosperity (3rd letter)