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:
['341', 'e', 'j', '385', 'o', 'z', 'z', '187', 'm', '73', 'u', '413']
answer:
1, 3, 4, 5, 7, 8


question:
['117', '247', '49', '63']
answer:
1, 2, 3, 4, 6, 7, 9


question:
['7', 'x', '149', 'x', '71', '485', 'f', 'l', 'm', '143', 'n', '211', '255']
answer:

1, 2, 3, 4, 5, 7, 8, 9