The Wrong Letter

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Across
  1. 2. The place where you leave the letters
  2. 6. What Pippa and Flo received
  3. 7. The paper you use to put letters inside
Down
  1. 1. something you blow and makes sound
  2. 2. The person who delivers letters
  3. 3. a person you can count on and feel well with
  4. 4. to celebrate when somebody wins in a competition
  5. 5. something horses can jump