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:
['h', 'e', 'v']

Ex Output:
-1


Ex Input:
['95', 'p']

Ex Output:

5, 9