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:
['59', '437', '145', '165', '217', 'l', '185', '495', 'z']
answer:
1, 2, 3, 4, 5, 6, 7, 8, 9


question:
['j', 'k']
answer:
-1


question:
['357', 'y']
answer:

3, 5, 7