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.

Ex Input:
['349', '327', 'c', 'a', '493', 'a', 'm', '337', '397', '213', '203', '139']

Ex Output:
0, 1, 2, 3, 4, 7, 9


Ex Input:
['215', '391', '251', '177']

Ex Output:
1, 2, 3, 5, 7, 9


Ex Input:
['v', 'p', '113', '241', 's', 'q', 'b', '293', 'l', 'w', 'w', '127']

Ex Output:

1, 2, 3, 4, 7, 9