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

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


Ex Input:
['x', '343', '391', '381', 'q', '317', '403', '89', '271']

Ex Output:
0, 1, 2, 3, 4, 7, 8, 9


Ex Input:
['p', 'u', '297', 'q', '301', 'y', 'z', 'c', 'k', 'f', 'v', '315', 's', '441', '191']

Ex Output:

0, 1, 2, 3, 4, 5, 7, 9