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:
['f', '463', '169', '175']

Ex Output:
1, 3, 4, 5, 6, 7, 9


Ex Input:
['w', 't', 'a', '199', '385']

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


Ex Input:
['o', '429', 'l', 'x', 'k', 'j', '87', 'v']

Ex Output:

2, 4, 7, 8, 9