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:
['3', '181', 'o', '425', 'f', '391']

Ex Output:
1, 2, 3, 4, 5, 8, 9


Ex Input:
['k', 'a', '437', '461', 'b', '341', '175']

Ex Output:
1, 3, 4, 5, 6, 7


Ex Input:
['w', 'q', 'j', 'k', '425', 'u', 's']

Ex Output:

2, 4, 5