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:
['r', 'u', '83', 'x', '155', '89', 'c', '391', '41', 'o', 'i', '161']

Ex Output:
1, 3, 4, 5, 6, 8, 9


Ex Input:
['293', '473', '79', 'j', '455', '285', 'k', 'd', '379', '249', '73', '229']

Ex Output:
2, 3, 4, 5, 7, 8, 9


Ex Input:
['y', 'h']

Ex Output:

-1