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:
['119', '329', 'w']
answer:
1, 2, 3, 9


question:
['s', 'd']
answer:
-1


question:
['121', '351', 's', 'p', '167', 'l', '421', '79', 'q', 'y', '209', 'q']
answer:

0, 1, 2, 3, 4, 5, 6, 7, 9