h&L the amazing ch crosswords

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Across
  1. 4. it eats some thing
  2. 5. when something repeats itself
  3. 6. scienceish
  4. 7. a letter
Down
  1. 1. when it is going wrong
  2. 2. singing
  3. 3. a hurting pain
  4. 4. a plan
  5. 6. à part in a song
  6. 8. I pads