How many words can be made out of parking?

Some Words that can be made from the letters in parking are:

1. a
2. air
3. an
4. aping
5. Ark
6. gain
7. gap
8. gin
9. grain
10. grin
11. grip
12. I
13. in
14. ink
15. irk
16. kin
17. King
18. nag
19. nap
20. nip
21. pa
22. pain
23. pair
24. pan
25. pang
26. paring
27. par
28. Park
29. pi
30. pig
31. ping
32. pink
33. prank
34. prig
35. rag
36. rain
37. rang
38. ring
39. rink
40. rank, raking
41. rap, raping
42. rip