Sticks and stones III ( you’re a or an..)

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Across
  1. 1. Your just a common …
  2. 6. Whatever you do is just trash
  3. 7. You silly person
  4. 8. Not good at this
  5. 9. Not smart
  6. 11. It’s nit nice to be called this primate
  7. 12. Total failure
Down
  1. 2. Would should be ashamed
  2. 3. No help to me
  3. 4. Again, this one is eight letters
  4. 5. No value
  5. 10. Not aesthetically pleasing
  6. 11. Another word for stupid