convert verbs to nouns OR add the proper ING endings

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Across
  1. 3. disappear
  2. 6. guide
  3. 7. forget
  4. 10. excel
  5. 12. prefer
  6. 13. confide
  7. 14. admit
  8. 16. map
  9. 19. differ
  10. 22. play
  11. 24. knit
  12. 25. assist
  13. 26. crunch
Down
  1. 1. perform
  2. 2. slip
  3. 4. tolerate
  4. 5. dominate
  5. 8. scar
  6. 9. jump
  7. 11. perform
  8. 15. refer
  9. 17. persist
  10. 18. endure
  11. 20. fit
  12. 21. plot
  13. 23. listen