Green Eggs and Ham's 50 words

Green Eggs and Ham only has 50 different words and here they are:

1. I
2. am
3. sam
4. that
5. do
6. not
7. like
8. green
9. eggs
10. and
11. ham
12. would
13. you
14. them
15. here
16. or 
17. there
18. anywhere
19. in
20. a
21. house
22. with
23. mouse
24. box
25. fox
26. could
27. car
28. eat
29. they
30. are
31. may
32. will
33. see
34. tree
35. let
36. me
37. be
38. train
39. on
40. say
41. the
42. dark
43. rain
44. goat
45. boat
46. so
47. try
48. if
49. good
50. thank

Picture from:

<www.infochachkie(dot)com>