gh/ph words

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Across
  1. 2. a perfectly round ball
  2. 4. a small folded booklet
  3. 8. bumpy, stony, rocky
  4. 10. way up in the sky
  5. 11. ABC through Z
  6. 13. ...and meatballs
Down
  1. 1. used to make a call
  2. 2. Oh dear
  3. 3. A very dangerous storm
  4. 5. a medical check-up
  5. 6. strong, hard
  6. 7. When you clear your throat
  7. 9. what's inside a pencil
  8. 12. Top of your leg