Riddles

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Across
  1. 1. What disappears as soon as you say its name?
  2. 3. What English word has three consecutive double letters?
  3. 5. This belongs to you, but everyone else uses it. (two words).
  4. 6. What gets wet while drying?
Down
  1. 2. How many letters are in the alphabet?
  2. 4. What can you break, even if you never pick it up or touch it?