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:
['353', 'd', 'h', 'd']
answer:
3, 5


question:
['119', '329', 'w']
answer:
1, 2, 3, 9


question:
['o', '291']
answer:

1, 2, 9