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:
['285', 'w', '37', '471', 'y', '435', '27', '415', 'f', 's', '27', 'b']
answer:
1, 2, 3, 4, 5, 7, 8


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


question:
['89', '109', '107']
answer:

0, 1, 7, 8, 9