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:
['43', '479', '317', 'w', '475', '255', '3', 'x']

Ex Output:
1, 2, 3, 4, 5, 7, 9


Ex Input:
['207', 'w', '317', '241', 'j', '443']

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


Ex Input:
['265', 'k', '255', 'c', 's']

Ex Output:

2, 5, 6