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:
['247', 's', 'y', 'c', '421']

Ex Output:
1, 2, 4, 7


Ex Input:
['q', 'a', '149']

Ex Output:
1, 4, 9


Ex Input:
['q', '425', '95', '403', 'k', '245']

Ex Output:

0, 2, 3, 4, 5, 9