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:
['t', '493', 's', 'f', '279', 'f']
answer:
2, 3, 4, 7, 9


question:
['477', '447', '351']
answer:

1, 3, 4, 5, 7