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:
['u', '465', '129', 'o']
answer:
1, 2, 4, 5, 6, 9


question:
['391', 'y', '447', '345', '157', '265', 'x', '261', 'm', 'f', 'x', 'x', '379', 'r', 'g']
answer:
1, 2, 3, 4, 5, 6, 7, 9


question:
['117', 'h', 'd', 'e', 'r', 'q', 'j', '323', '333', '5']
answer:

1, 2, 3, 5, 7