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:
['i', 'b', 'w', '409', 'f', '67', 's', '21', 'y', 'c', '401', 'f', 'k', '319']

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


Ex Input:
['p', '103', 'd', '411', 'f']

Ex Output:
0, 1, 3, 4


Ex Input:
['333', 'q', '103', '387', 'b', '371', '305', 'x', '393', '281', 'i', 's', '333']

Ex Output:

0, 1, 2, 3, 5, 7, 8, 9