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:
['b', '351', 'g', 'k', '29', '15', '411', '97', 'r', '27', '279']

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


Ex Input:
['t', '103', '349', '203', 'b', 'z', 'i', '337', 'y', '137', '77', 'p', 'k']

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


Ex Input:
['c', 'a', '311', 'v', '485', '265', 't', 'l', 'p', '219', '301']

Ex Output:

0, 1, 2, 3, 4, 5, 6, 8, 9