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:
['n', 'q', 'z', 'r', '41', '345', '115', '487', '273', 'q', '219', 'i', '23']
answer:
1, 2, 3, 4, 5, 7, 8, 9


question:
['s', '45']
answer:
4, 5


question:
['89', '497', 'c', '151']
answer:

1, 4, 5, 7, 8, 9