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:
['127', 'd', '479', 'v', '213', 'm', 'z', '151', 'h', '455']
answer:
1, 2, 3, 4, 5, 7, 9


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


question:
['321', 'x', 'p', 'a', 'k', 'c', 'j', '133', 'l', '469', '189']
answer:

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