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:
['25', 'n', 'n', '481', 'w', '91', '251']

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


Ex Input:
['w', '13', 'b', '455', 'b', 'k']

Ex Output:
1, 3, 4, 5


Ex Input:
['s', '23', '479', '233', '203', 'p', '301', 'p', 'u']

Ex Output:

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