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:
['v', 'p', '113', '241', 's', 'q', 'b', '293', 'l', 'w', 'w', '127']
answer:
1, 2, 3, 4, 7, 9


question:
['b', 'n', '369', '199', 'r', '165', '63', 'y', '331', '57']
answer:
1, 3, 5, 6, 7, 9


question:
['z', '91', 'd', 'h', 'y', 'h', '261', '349', '255', '497', 't', '327', 'c']
answer:

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