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:
['91', '291', '379', 'k', 'a', 't', 'i', '355', 'l', '335', '119', '343']
answer:
1, 2, 3, 4, 5, 7, 9


question:
['d', '71', '65', '177', 'k']
answer:
1, 5, 6, 7


question:
['j', '195', 'u', '55']
answer:

1, 5, 9