phon and sign words

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Across
  1. 1. Somewhere you go to buy food
  2. 3. A superhero featured in loads of comics.
  3. 6. working or operating by itself.
  4. 7. a signature especially that of a celebrity
  5. 8. account of a person's life written by that person
  6. 9. used to clean a wound
Down
  1. 1. A hero to you is your _________
  2. 2. not sociable or wanting the company of others
  3. 4. opposite to the way a clock turns
  4. 5. going beyond normal human power, size, or ability