Q: 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.
['123', 'j', '89', '445', 't', '371', 's', '311', '453', 'b', 'g', 'o', '27']
A:
1, 2, 3, 4, 5, 7, 8, 9