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:
['483', 'e', '57', 'a', '101', 'f', 'z', 'q', '115', 'x', '3', '305', '435', '45']

Ex Output:
0, 1, 3, 4, 5, 7, 8


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

Ex Output:
2, 3, 4, 9


Ex Input:
['167', 'a', 'h', '15', '421', 'r', 'p', '407', 't']

Ex Output:

0, 1, 2, 4, 5, 6, 7