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:
['t', 'p', 'u', 'a']

Ex Output:
-1


Ex Input:
['69', '307', 'l', 'j', '167', 'o', '427', 'j']

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


Ex Input:
['431', 'r', 'g', 'j', 'p', '87']

Ex Output:

1, 3, 4, 7, 8