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: ['u', 'z', 'p', '99', 'b']
Example Output: 9

Example Input: ['x', '281', 'n', '385', '435', 'l', 's', '445', 'n', 'n', '133']
Example Output: 1, 2, 3, 4, 5, 8

Example Input: ['n', 'm', '335', '97', 'z', '307', '331', 'y', 'p', 'r', 'd', 'v', 'm', 'n']
Example Output:
0, 1, 3, 5, 7, 9