instruction:
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.
question:
['y', 'm', '121', 'h', 'm', '189', '117', '257', 'y', '181', '279', 'a', '453']
answer:
1, 2, 3, 4, 5, 7, 8, 9


question:
['211', 'v', 'a', '445', '185', '135', 'v', 'w', 'b', '155', '315', '1']
answer:
1, 2, 3, 4, 5, 8


question:
['425', 'j', 'q', 'h', 'q', '399', 'h', 'm', '83', '47', 'g', '357']
answer:

2, 3, 4, 5, 7, 8, 9