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:
['363', '455']
answer:
3, 4, 5, 6


question:
['u', 'c', 'f', 'z', '51', '301', 'q', '275']
answer:
0, 1, 2, 3, 5, 7


question:
['487', 'l', 'i', '165', 'w', 'k', 'v', 'a', 'z', '141', 'w', '429', '369', '347']
answer:

1, 2, 3, 4, 5, 6, 7, 8, 9