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:
['a', '441', '227', 'j', '13', '277', 'f', 'o']

Ex Output:
1, 2, 3, 4, 7


Ex Input:
['177', 's']

Ex Output:

1, 7