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:
['469', '65', '111', '135', '209', 'g', '407', 'd', 'r', '325']
answer:
0, 1, 2, 3, 4, 5, 6, 7, 9


question:
['d', '25', '323', 'k', 'e']
answer:
2, 3, 5


question:
['v', 's', '349', 'x', 'v', 'z', '309', '29']
answer:

0, 2, 3, 4, 9