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:
['x', '493', 'x', '211', 'n', '143', '277', '191']

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


Ex Input:
['345', '393', 'v', 'l', 'b', 'd', 'k', 'q', 'x']

Ex Output:
3, 4, 5, 9


Ex Input:
['d', 't', 'a']

Ex Output:

-1