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:
['y', 'b']

Ex Output:
-1


Ex Input:
['381', '129']

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


Ex Input:
['45', 's', 'g']

Ex Output:

4, 5


