1. AFA (Air Force Association)
  2. FAP (Familial Adenomatous Polyposis)
  3. PAF (Platelet Activating Factor)
  4. FPA (Family Planning Association)
  5. APA (American Psychological Association)
  6. AFP (Alpha-fetoprotein)
  7. PFA (Professional Footballers' Association)
  8. FAA (Federal Aviation Administration)
  9. FSA (Flexible Spending Account)
  10. PAA (Pan American Airways)

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