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:
['j', '131', 'e', 'c', '149', '325', 'h', 'l', 'i', 'q', '151']
answer:
1, 2, 3, 4, 5, 9


question:
['v', 'w', 'k']
answer:
-1


question:
['h', 'h', 'v', 'w', '383', '249', 'e', '69', '125', '433', 'n', '381', 'y', 'f']
answer:

1, 2, 3, 4, 5, 6, 8, 9