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: ['h', '477', 'w', '315', 'k', 'd', '367', '411', '207', 'b', '81', 'k', 'f', '107', '103']
Example Output: 0, 1, 2, 3, 4, 5, 6, 7, 8

Example Input: ['175', 'c', 'c']
Example Output: 1, 5, 7

Example Input: ['m', 'l', '417', '37']
Example Output:
1, 3, 4, 7