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:
['185', '425']

Ex Output:
1, 2, 4, 5, 8


Ex Input:
['109', 'b']

Ex Output:
0, 1, 9


Ex Input:
['x', '267', '173', 'k', '249']

Ex Output:

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