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:
['w', '13', 'b', '455', 'b', 'k']

Ex Output:
1, 3, 4, 5


Ex Input:
['h', '281', '113', '119', 'j', '245', 'i', '121', '439']

Ex Output:
1, 2, 3, 4, 5, 8, 9


Ex Input:
['a', '159', '145']

Ex Output:

1, 4, 5, 9