Prefixes IL, IR, IN

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Across
  1. 2. is not logic
  2. 4. not possible to replace
  3. 6. forbidden
  4. 7. not responsible
Down
  1. 1. not accurate
  2. 2. unreasonable
  3. 3. scarce
  4. 5. abnormal
  5. 8. having little or no education