Alex's puzzler!

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Across
  1. 3. Word that makes your tongue feel funny when you pronounce it.
  2. 4. The evilest average.
  3. 7. The hardest word in this whole crossword.
  4. 11. A long three letter word.
  5. 12. Quack Quack! I'm a cow!
  6. 13. The opposite of a mango.
Down
  1. 1. The gummy sweet made from pigs' trotters.
  2. 2. Famous Greek philosopher.
  3. 4. rich cake.
  4. 5. You might not get this one.
  5. 6. Is it black with white stripes or white with black stripes?
  6. 8. German for glock.
  7. 9. TV programme including the Flanders family.
  8. 10. Slice of pig.