1 - b and c
2 - c
3 - b
4 - a, b, and c
5 - b
6 - c
7 - a
8 - a, c, and d
9 - c
10 - a and c
11 - b
12 - a
13 - d
14 - b
15 - c
16 - a, b, and c
17 - a, b, and c
18 - a
19 - b and c
20 - a and b
21 - d
22 - c
23 - b, c, and d
24 - c and d
25 - a, c, and d
26 - a and c
27 - c
28 - c
29 -c
30 - b
31 - d
32 - a and b
33 - d
34 - b and c
35 - d
36 - b
37 - a
38 - c
39 - c
40 - a and b
41 - a and b
42 - b and c
43 - a and c
44 - c
45 - a and c
46 - b
47 - d
48 - b, c, and d
49 - a and b
50 - a
51 - a
52 - a, b, and c
53 - b
54 - a
55 - c
56 - b
57 - c and d
58 - d
59 - d
60 - b
61 - a
62 - b and c
63 - b
64 - b
65 - a
66 - a, b, and c
67 - b
68 - a and b
69 - a
70 - b and d