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', '73', 'k', '333', '345', 'e', 'x', 'j']

Ex Output:
3, 4, 5, 7


Ex Input:
['s', 't', '189', 'j', 'r']

Ex Output:
1, 8, 9


Ex Input:
['445', '441', 'f', 'h', 'h', 'u', 'k', '415', 's', 'a', '279', '187']

Ex Output:

1, 2, 4, 5, 7, 8, 9