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:
['153', 'b', 'w', 'y', 'k', '385', '221', '153', 'b', '123', 'd', '151', 'y']
answer:
1, 2, 3, 5, 8


question:
['j', 'd', '445', 'g', '263', '217', '357', 'c', '57', 'x']
answer:
1, 2, 3, 4, 5, 6, 7


question:
['125', 'l', 's', 'v', 'f', 'e', '35', '471']
answer:

1, 2, 3, 4, 5, 7