Jigg O Low

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Across
  1. 3. You send this in the post (I barely know her)
  2. 7. In the process of killing someone
Down
  1. 1. Bronze medal place
  2. 2. An organisation of letters
  3. 4. The start of this sentence
  4. 5. Not mine, but… (-s)
  5. 6. Opposite of out
  6. 8. Two letter word that is within this sentence