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: ['51', '461', '343', '15', '209', '51']
Example Output: 0, 1, 2, 3, 4, 5, 6, 9

Example Input: ['173', 'i', 'w', '425', '27', 'd']
Example Output: 1, 2, 3, 4, 5, 7

Example Input: ['n', '471', 'v', 'o', '117', '103', 'n', 'a', '125']
Example Output:
0, 1, 2, 3, 4, 5, 7