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

Example Input: ['f', 'c', '381', '149', '67', '67', '197', 'i', '289', '491', 'c', 'b']
Example Output: 1, 2, 3, 4, 6, 7, 8, 9

Example Input: ['v', 'w', 'v', '63', 'g', '381', 'e', '233', '251', 'v', 'h', '439']
Example Output:
1, 2, 3, 4, 5, 6, 8, 9