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:
['w', '19', '61', 'j', 'o', 's', 'q', '391', '281', '491', '287']

Ex Output:
1, 2, 3, 4, 6, 7, 8, 9


Ex Input:
['421', 'j', '215', 'i', 'z', '219', 'l', '449', 'y', 's']

Ex Output:

1, 2, 4, 5, 9