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:
['353', 'k', 'j', '1', '375', 'e', 'd']
answer:
1, 3, 5, 7


question:
['n', 'g', 'd']
answer:
-1


question:
['g', 'v', '231', 'v', '241', 't', '101', 'd', 'p', 'p', '139', '289']
answer:

0, 1, 2, 3, 4, 8, 9