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:
['y', '281', '313', '21', 'i', '377', 'e', '111', '71', '231', '409', 'k']

Ex Output:
0, 1, 2, 3, 4, 7, 8, 9


Ex Input:
['v', 'r', '67', '49']

Ex Output:
4, 6, 7, 9


Ex Input:
['149', 'x', '359', 'd', '69', '327', '473', 'p', '341', 'v', '423', 'q', 'a', '307', 'q']

Ex Output:

0, 1, 2, 3, 4, 5, 6, 7, 9