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:
['167', '229', '439', '389', '483', '207']

Ex Output:
0, 1, 2, 3, 4, 6, 7, 8, 9


Ex Input:
['z', '375', 'v', 'o', 'v', '31', 'u', 'x', 'q', 'x', '71', 'n', 'v']

Ex Output:
1, 3, 5, 7


Ex Input:
['m', 't', '5', '157', 'i', 'o', 'b', 'u', 'q', 'q']

Ex Output:

1, 5, 7