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:
['159', '3', 'f', 'k', 'o', 'm']

Ex Output:
1, 3, 5, 9


Ex Input:
['279', 'y', '391', '33', '281', '113', 'd', 'v']

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


Ex Input:
['b', 'l', 'v', '113', 'h', '243', '121']

Ex Output:

1, 2, 3, 4