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:
['159', 'y', '369', 'r', '341', '23', 's', '209', 'l', 's', '473']

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


Ex Input:
['s', '443', '239', 't', '99']

Ex Output:
2, 3, 4, 9


Ex Input:
['293', 'u', 'a', 'k', '17', '1', '283', '317']

Ex Output:

1, 2, 3, 7, 8, 9