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: ['103', '355', '417', 'e', '359', 'c', 'w', 'q', '237', '93', '431', '59', 'l', '121']
Example Output: 0, 1, 2, 3, 4, 5, 7, 9

Example Input: ['n', 'm', 'u', '267']
Example Output: 2, 6, 7

Example Input: ['b', 'm', 't', 'm', '477', 'e', '235', 'i', '459', 'g', 'e', 'k', '423']
Example Output:
2, 3, 4, 5, 7, 9