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:
['59', '437', '145', '165', '217', 'l', '185', '495', 'z']
answer:
1, 2, 3, 4, 5, 6, 7, 8, 9


question:
['k', '217']
answer:
1, 2, 7


question:
['l', '79', '437', 's', '481', 'z', '267', 'f', '241']
answer:

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