Here is a list of contractions that can be formed using the given words:

1. I’m (I am)
2. she’s (she is)
3. you’re (you are)
4. didn’t (did not)
5. wouldn’t (would not)
6. hadn’t (had not)
7. isn’t (is not)
8. aren’t (are not)
9. hasn’t (has not)
10. haven’t (have not)
11. wasn’t (was not)
12. weren’t (were not)
13. doesn’t (does not)
14. don’t (do not)
15. won’t (will not)
16. can’t (cannot)
17. shouldn’t (should not)
18. couldn’t (could not)
19. mustn’t (must not)
20. needn’t (need not)

Please note that there may be additional contractions that can be formed depending on the context and usage.