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: ['i', 'f', 'g', '267', '113', '93', 'r', '401', 'g', 'e']
Example Output: 0, 1, 2, 3, 4, 6, 7, 9

Example Input: ['255', 'u', 's', 'g', '445']
Example Output: 2, 4, 5

Example Input: ['k', '127', '331', '423']
Example Output:
1, 2, 3, 4, 7