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:
['93', '277', '373', 'z', '9', 'r', '251', '207', 'v', 'n']

Ex Output:
0, 1, 2, 3, 5, 7, 9


Ex Input:
['49', 'r', '179', 'h', 'q', 'h', 'w', '187', '427', 'x', 'r']

Ex Output:
1, 2, 4, 7, 8, 9


Ex Input:
['k', '81', '463', '389', 'r', '455', 'e', 'r', '25', '313']

Ex Output:

1, 2, 3, 4, 5, 6, 8, 9