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:
['229', 'x', '49', 'p', '73', '77', '337', '497']
answer:
2, 3, 4, 7, 9


question:
['371', '459', '9', 'j', '425', 'k', '495', 'x', '105', '49', 'j', '101', 's']
answer:
0, 1, 2, 3, 4, 5, 7, 9


question:
['53', 'h', 'o', 'j']
answer:

3, 5