really cool crossword

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Across
  1. 2. anti
  2. 4. sym
  3. 5. cicrum
  4. 7. non
  5. 9. sub
  6. 11. con
  7. 12. tri
Down
  1. 1. dis
  2. 3. extra
  3. 6. mal
  4. 8. intra
  5. 10. pre