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:
['403', 'j', 'x', '187', '311', 'g', 'z', 'p', '287', 'w', 'k', 'm']
answer:
0, 1, 2, 3, 4, 7, 8


question:
['103', '355', '417', 'e', '359', 'c', 'w', 'q', '237', '93', '431', '59', 'l', '121']
answer:
0, 1, 2, 3, 4, 5, 7, 9


question:
['347', '217', 'g', 'a', '463', '265', 'w', '81', 'k', 'b', 'm', 'n']
answer:

1, 2, 3, 4, 5, 6, 7, 8