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:
['257', '111', 'g', '277', '473', '105', 'x', '217']

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


Ex Input:
['z', '209']

Ex Output:
0, 2, 9


Ex Input:
['p', 'e', '345', '61', '159', 'y', 'e', '413', 'c']

Ex Output:

1, 3, 4, 5, 6, 9