Silent Letter Words

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Across
  1. 1. When you are not sure.
  2. 4. Baaaaaaa!
  3. 7. Opposite to a row.
  4. 8. Serious and slightly sad.
  5. 9. Brush your hair to get rid of the...
Down
  1. 1. You owe me!
  2. 2. You have two of these.
  3. 3. You have ten of these.
  4. 5. Leaves everywhere!
  5. 6. Shining armour.