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:
['s', 't', '189', 'j', 'r']
answer:
1, 8, 9


question:
['99', '245', 'c', '435', '255', 'v']
answer:
2, 3, 4, 5, 9


question:
['319', '105', 'h', '83', '321', '77', '353', 'f', 'u', 'd', 'e', 'r', 'y', '45']
answer:

0, 1, 2, 3, 4, 5, 7, 8, 9