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:
['439', '443', '175', 'e', 'm', '361', 'd']
answer:
1, 3, 4, 5, 6, 7, 9


question:
['k', '413', '321', '209', 'k', '263']
answer:
0, 1, 2, 3, 4, 6, 9


question:
['d', '215', 'r', 's', '209', '165', 'd', '439', 'f', 'y', 'k', 'n', 'v', 'n', '105']
answer:

0, 1, 2, 3, 4, 5, 6, 9