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: ['421', '99', '115', 'x']
Example Output: 1, 2, 4, 5, 9

Example Input: ['r', 'f', 'l', 'a', 'c', '489', 'e', 'p', 'm', '175', 'l']
Example Output: 1, 4, 5, 7, 8, 9

Example Input: ['w', '265', 'r', 'u', 'u', 'v', '25', '335', '461', 'p', 'k', 'z', '77', '439', 'g']
Example Output:
1, 2, 3, 4, 5, 6, 7, 9