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:
['u', '207', 'q', '371', 's', '51', '217', 'q', '255', '9', '109', 'l', 'b', 'w']
answer:
0, 1, 2, 3, 5, 7, 9


question:
['k', '413', '321', '209', 'k', '263']
answer:
0, 1, 2, 3, 4, 6, 9


question:
['353', 'd', 'h', 'd']
answer:

3, 5