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:
['459', 'd', '473', 'i', 'l', 's']
answer:
3, 4, 5, 7, 9


question:
['445', '449']
answer:
4, 5, 9


question:
['x', '461', '199', '141', '267', 'c', '439', '223', 'v', '287', '493', 't']
answer:

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