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:
['17', 'n', 'c', 'f', 'u', '413', '13', '133', 'q', 'j', '249', '163', '65', '417', '161']
answer:
1, 2, 3, 4, 5, 6, 7, 9


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


question:
['p', 'p', '91']
answer:

1, 9