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: ['t', '493', 's', 'f', '279', 'f']
Example Output: 2, 3, 4, 7, 9

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

Example Input: ['421', 'm', 'z', 'n', '67']
Example Output:
1, 2, 4, 6, 7