1. { } = ∅ = the empty set, or the null set
2. {8}
3. {16}
4. {27}
5. {31}
6. {60}
7. {8,16}
8. {8,27}
9. {8,31}
10. {8,60}
11. {16,27}
12. {16,31}
13. {16,60}
14. {27,31}
15. {27,60}
16. {31,60}
17. {8,16,27}
18. {8,16,31}
19. {8,16,60}
20. {8,27,31}
21. {8,27,60}
22. {8,31,60}
23. {16,27,31}
24. {16,27,60}
25. {16,31,60}
26. {27,31,60}
27. {8,16,27,31}
28. {8,16,27,60}
29. {8,16,31,60}
30. {8,27,31,60}
31. {16,27,31,60}
32. {8,16,27,31,60}
Edwin