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:
['e', 'l', 'p', 'e', '55', 'j', 'z', '217', 'v', '399', 's', '119']
answer:
1, 2, 3, 5, 7, 9


question:
['493', '241', '239', 'g', 'q', '319', '49', '245']
answer:
1, 2, 3, 4, 5, 9


question:
['427', 'u', '159', 'b', 'x', '293', 's', '331']
answer:

1, 2, 3, 4, 5, 7, 9