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: ['h', '281', '113', '119', 'j', '245', 'i', '121', '439']
Example Output: 1, 2, 3, 4, 5, 8, 9

Example Input: ['b', 'm', '471']
Example Output: 1, 4, 7

Example Input: ['303', 'a', 'r', '299', 'z', '29', 'g', 'j', 'a']
Example Output:
0, 2, 3, 9