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:
['k', 'q', 'a', 'u', 'q']

Ex Output:
-1


Ex Input:
['445', '91', '141', '185', 'b', 'k', 'f', 'l', 'i', '229', 't', 'v']

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


Ex Input:
['49', 'n', '329', 'u', 'n', '481', '487', '1', '89', '423', 'v', '183', '277', 'b', 'k']

Ex Output:

1, 2, 3, 4, 7, 8, 9