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: ['c', '155', '61']
Example Output: 1, 5, 6

Example Input: ['j', '195', 'u', '55']
Example Output: 1, 5, 9

Example Input: ['219', 'i', '29', '437', '239', '239', 'x', '467', 'x', 'y']
Example Output:
1, 2, 3, 4, 6, 7, 9