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:
['233', '339', '319']
answer:
1, 2, 3, 9


question:
['499', '493', 'i', '87']
answer:
3, 4, 7, 8, 9


question:
['j', '389', 'i', '231', '223', 'h', 'a', 'e', '499', '297']
answer:

1, 2, 3, 4, 7, 8, 9