The best stems puzzle

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Across
  1. 2. run
  2. 3. life
  3. 5. power
  4. 7. sun
  5. 9. fire
  6. 10. look
  7. 11. earth
  8. 12. break
Down
  1. 1. moon
  2. 4. across
  3. 5. people
  4. 6. time
  5. 7. over
  6. 8. know
  7. 10. wisdom