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:
['n', '149', 'z', '37']

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


Ex Input:
['173', 'i', 'w', '425', '27', 'd']

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


Ex Input:
['o', 'y', '197', 'n']

Ex Output:

1, 7, 9