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:
['381', '129']

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


Ex Input:
['z', 'e', 'c']

Ex Output:
-1


Ex Input:
['g', '211', '159', 'f', 'g', 'b', 'o']

Ex Output:

1, 2, 5, 9