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:
['43', 'd']
answer:
3, 4


question:
['345', 'h', '9']
answer:
3, 4, 5, 9


question:
['251', '3', 'e', '153', '405', '133', '103', 'k']
answer:

0, 1, 2, 3, 4, 5