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.

Q: ['a', '399', 's', 'e', '495', 'd', 'f', 'a', '323']

A: 2, 3, 4, 5, 9
****
Q: ['93', '277', '373', 'z', '9', 'r', '251', '207', 'v', 'n']

A: 0, 1, 2, 3, 5, 7, 9
****
Q: ['97', 'n', 'u', '325']

A:
2, 3, 5, 7, 9
****