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', '373', 'b', '305', 'i', 'n', 'z', 'm', 'c']
Example Output: 0, 3, 5, 7

Example Input: ['p', '121', '55', '205', 'n', '393', 'l', 's', 'k', 'c', 'n']
Example Output: 0, 1, 2, 3, 5, 9

Example Input: ['u', '343', '167', 'a']
Example Output:
1, 3, 4, 6, 7