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:
['y', '439', 't', '29', '425', '289']
answer:
2, 3, 4, 5, 8, 9


question:
['x', '343', '391', '381', 'q', '317', '403', '89', '271']
answer:
0, 1, 2, 3, 4, 7, 8, 9


question:
['m', 't', '223', '453', '57', 'p', 'o', '483', 'm', '359']
answer:

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