instruction:
In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.
question:
['363', '455']
answer:
3, 4, 5, 6


question:
['85', '101', 'j', 'g', 'o', 'f', 'w', 'o', 'm', '45', 'e', 'z']
answer:
0, 1, 4, 5, 8


question:
['z', '209']
answer:

0, 2, 9