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:
['j', 's', '127', 'o', 'e', '227', 'k', 'o']
answer:
1, 2, 7


question:
['207', 'w', '317', '241', 'j', '443']
answer:
0, 1, 2, 3, 4, 7


question:
['351', 'n', '143', '379', 'v', '3', 'w']
answer:

1, 3, 4, 5, 7, 9