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:
['f', '367', 'w', '227', '201', 'n', '213', '11']
answer:
0, 1, 2, 3, 6, 7


question:
['l', '201', 's', 'y', 'b', '395', '19']
answer:
0, 1, 2, 3, 5, 9


question:
['w', 't', 'a', '199', '385']
answer:

1, 3, 5, 8, 9