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:
['y', '301', 'c', 'l', 'x', '257', 'l', '1', 'r', '127', 'f', '157', '91', '423']
answer:
0, 1, 2, 3, 4, 5, 7, 9


question:
['131', '483', 'k', '387', '451', 'j']
answer:
1, 3, 4, 5, 7, 8


question:
['129', '373', '461', 'h', 'r', '163', '361', '483', '463', 'e', 'z', 'l']
answer:

1, 2, 3, 4, 6, 7, 8, 9