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.

Example Input: ['93', '277', '373', 'z', '9', 'r', '251', '207', 'v', 'n']
Example Output: 0, 1, 2, 3, 5, 7, 9

Example Input: ['y', 'b']
Example Output: -1

Example Input: ['431', '145', '261']
Example Output:
1, 2, 3, 4, 5, 6