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:
['499', '493', 'i', '87']

Ex Output:
3, 4, 7, 8, 9


Ex Input:
['k', 'q', 'a', 'u', 'q']

Ex Output:
-1


Ex Input:
['v', 'q', 'v']

Ex Output:

-1