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:
['i', 'e', '17', 'q', '15', 'v']

Ex Output:
1, 5, 7


Ex Input:
['119', '189', 'k', 'e', '425', '21', '245']

Ex Output:
1, 2, 4, 5, 8, 9


Ex Input:
['s', 'h', 'g', 'c', '345', '237', '227']

Ex Output:

2, 3, 4, 5, 7