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:
['i', 'z', '131', '449', '141', 's']

Ex Output:
1, 3, 4, 9


Ex Input:
['341', 'e', 'j', '385', 'o', 'z', 'z', '187', 'm', '73', 'u', '413']

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


Ex Input:
['321', 'j', '477', '443', 'w', 'h', 'e', '21', 't', '371', '183', 'k']

Ex Output:

1, 2, 3, 4, 7, 8