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:
['s', '443', '239', 't', '99']

Ex Output:
2, 3, 4, 9


Ex Input:
['t', '251', 'b', '241', 'z', '255']

Ex Output:
1, 2, 4, 5


Ex Input:
['287', '293', 'r', '169', '281']

Ex Output:

1, 2, 3, 6, 7, 8, 9