Post crossword puzzle

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Across
  1. 5. Appearing after someones death.
  2. 8. to put of a late time.
  3. 9. Any addition or supplement.
  4. 10. The official in charge of a post office.
  5. 11. really modern.
  6. 12. Coming after in order.
  7. 13. After a war
  8. 15. Appearing after the end of something.
Down
  1. 1. Appearing after surgery.
  2. 2. something you post.
  3. 3. Subsequent to childbirth
  4. 4. With the greatest speed.
  5. 6. succeeding future generation.
  6. 7. To follow in time
  7. 9. Having put something of a long time.
  8. 10. a mental attitude.
  9. 11. Having graduated
  10. 14. after something or to mail something.