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:
['461', 'u', 't']

Ex Output:
1, 4, 6


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

Ex Output:
1, 5, 7


Ex Input:
['93', '445', 'g', 'o', '413', 'h', '23', '137', 'o', 'z']

Ex Output:

1, 2, 3, 4, 5, 7, 9