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:
['143', 'i', '499', 't', '27']
answer:
1, 2, 3, 4, 7, 9


question:
['d', '351', '357', 'q', 'b', '19', 'r', '231', '381', 'x', 'a', 'y', '263']
answer:
1, 2, 3, 5, 6, 7, 8, 9


question:
['387', 'r', 'h', 'p', 'g', 'o', '233', '335', '145', 'w', '185']
answer:

1, 2, 3, 4, 5, 7, 8