Here is a list of the first fifty answers in Z-ROX. Hope this helps with the tough ones (like number 33)
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1:L
2:F
3:V
4:H
5:X
6:E
7:Y
8:+
9:=
10:!
11:SQUARE
12:/
13:TRIANGLE
14:A
15:K
16:\
17:1
18:CIRCLE
19:U
20:N
21:B
22:0 (zero)
23:DIAMOND
24:TRAPEZOID
25:7
26:P
27:C
28:Z
29:8
30:PI
31:PENTAGON
32:M
33:SQUARE ROOT
34:9
35:HEXAGON
36:W
37:D
38:6
39:4
40:J
41:2
42:R
43:OCTAGON
44:?
45:#
46:3
47:S
48:G
49:5
50:%