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: ['477', '293', '301', '269', '149', 'm']
Example Output: 0, 1, 2, 3, 4, 6, 7, 9

Example Input: ['385', 'b', 'c']
Example Output: 3, 5, 8

Example Input: ['y', 'o', '287', 'm', 's', '61']
Example Output:
1, 2, 6, 7, 8