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:
['477', '293', '301', '269', '149', 'm']
answer:
0, 1, 2, 3, 4, 6, 7, 9


question:
['479', '381', '61', '307', 'w', 'd', '493', 'q', 'h', '373', '217', 't', '57', 'j']
answer:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9


question:
['a', '437', 'v', 'y', '195', 'y', '269', 'j', 'h', '217', '391', 'p', 'n', '301', 'r']
answer:

0, 1, 2, 3, 4, 5, 6, 7, 9