A bee that can spell

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Across
  1. 2. Unable to recall
  2. 5. Not permanent, not lasting forever
  3. 7. not ordinary,not normal
  4. 8. problem
Down
  1. 1. repeated addition
  2. 3. Mandatory/not natural
  3. 4. a plan
  4. 6. persuading someone to do or to believe something