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', '325', 'i', 'n', 'i', 'w', 't']

Ex Output:
2, 3, 5


Ex Input:
['g', '109', 'm', '169', '443', 'm', '57', '285', 'x', '171', '367']

Ex Output:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9


Ex Input:
['k', 'i', 'i', 'k', 't', '189', '105', 'v', '393', 'v', 't', '109', 'i', '407']

Ex Output:

0, 1, 3, 4, 5, 7, 8, 9