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: ['p', 'p', '91']
Example Output: 1, 9

Example Input: ['t', '197', '129', 'u', 'l', 'y', '485', '57', '147', 'p', '137', 'v', '221']
Example Output: 1, 2, 3, 4, 5, 7, 8, 9

Example Input: ['w', '37', '359', '397', 'k', 'j', 'g', '317', '467', 'c', '471', 'r']
Example Output:
1, 3, 4, 5, 6, 7, 9