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:
['k', '135', '297']

Ex Output:
1, 2, 3, 5, 7, 9


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

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


Ex Input:
['s', '433']

Ex Output:

3, 4