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:
['h', '477', 'w', '315', 'k', 'd', '367', '411', '207', 'b', '81', 'k', 'f', '107', '103']

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


Ex Input:
['h', 'e', 'v']

Ex Output:
-1


Ex Input:
['363', 'f', '251', 's', '81', '485', '363', 'c', '219', '253', '367', 'w']

Ex Output:

1, 2, 3, 4, 5, 6, 7, 8, 9