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', '233']

Ex Output:
2, 3


Ex Input:
['131', '483', 'k', '387', '451', 'j']

Ex Output:
1, 3, 4, 5, 7, 8


Ex Input:
['e', 't', '361', 'r', '221', 'h']

Ex Output:

1, 2, 3, 6


