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:
['345', '393', 'v', 'l', 'b', 'd', 'k', 'q', 'x']
answer:
3, 4, 5, 9


question:
['233', '189', '217', 's', '221', 'v', 'c', 'x', '455']
answer:
1, 2, 3, 4, 5, 7, 8, 9


question:
['485', 'x', '259', 'w', '437', '189', '15', 'l', 'w', 'n', '163', 'k']
answer:

1, 2, 3, 4, 5, 6, 7, 8, 9