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:
['183', '235', 'a', '261', 'z', 'n', 's', 'q', 'm', '311', '399', '457']
answer:
1, 2, 3, 4, 5, 6, 7, 8, 9


question:
['99', 'p', 'v', '49', 's', '279', 'v', '287', '355', 'o', '131', 'd', 'b']
answer:
1, 2, 3, 4, 5, 7, 8, 9


question:
['i', '363', 'r', 'q', '277', '367', 'k', 'o', '383', 'u', 'w', 'c', 'r']
answer:

2, 3, 6, 7, 8