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: ['343', 'c', '7', '271', 'm', '151', 'd', 'n', '305', 'y', 'w', '255']
Example Output: 0, 1, 2, 3, 4, 5, 7

Example Input: ['379', '485', '415', '37', '221', '125', '245', '87', 'a']
Example Output: 1, 2, 3, 4, 5, 7, 8, 9

Example Input: ['h', '395', 'g']
Example Output:
3, 5, 9