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: ['69', '307', 'l', 'j', '167', 'o', '427', 'j']
Example Output: 0, 1, 2, 3, 4, 6, 7, 9

Example Input: ['49', 'r', '179', 'h', 'q', 'h', 'w', '187', '427', 'x', 'r']
Example Output: 1, 2, 4, 7, 8, 9

Example Input: ['q', 'b', 'e', 'r']
Example Output:
-1