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', '321', '355', 'w', 'm', 'v', 'a', 'u', '455', 'n', '169']

Ex Output:
1, 2, 3, 4, 5, 6, 9


Ex Input:
['177', '323', 'q', 'e', 'x', 'p', '3', 'c', 'e', '23', 's', '407', 'l', '21', 'z']

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


Ex Input:
['413', 'v', '9', 'v']

Ex Output:

1, 3, 4, 9