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: ['211', 'v', 'a', '445', '185', '135', 'v', 'w', 'b', '155', '315', '1']
Example Output: 1, 2, 3, 4, 5, 8

Example Input: ['279', '115']
Example Output: 1, 2, 5, 7, 9

Example Input: ['a', '55', 's', '71', '271', '211']
Example Output:
1, 2, 5, 7