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:
['279', '115']

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


Ex Input:
['379', 'w', 'b', '385', '429', '3', '297', '297', 't', 'z', 'i', '207', 'e', 'a']

Ex Output:
0, 2, 3, 4, 5, 7, 8, 9


Ex Input:
['45', 'n', 'u', '199', 'y', 'w']

Ex Output:

1, 4, 5, 9