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:
['z', 'b', 'c', 'l', '453', 'h', '215', '447', '487', 'p', 'y', 'v']

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


Ex Input:
['477', 'a', 'n', 'r', '457', 'g', 'c']

Ex Output:
4, 5, 7


Ex Input:
['u', 'g', 'r', '269', 'i', 'i']

Ex Output:

2, 6, 9