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: ['k', '135', '297']
Example Output: 1, 2, 3, 5, 7, 9

Example Input: ['e', '307', '191', 'k', 'o', 'j', '99']
Example Output: 0, 1, 3, 7, 9

Example Input: ['u', '283', '361', 't']
Example Output:
1, 2, 3, 6, 8