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.

Q: ['439', '443', '175', 'e', 'm', '361', 'd']

A: 1, 3, 4, 5, 6, 7, 9
****
Q: ['197', 'p', 'e', '217', '327', '439', '59', 'o', '355', 'z']

A: 1, 2, 3, 4, 5, 7, 9
****
Q: ['b', 's', 'r', 'h']

A:
-1
****