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:
['h', '281', '113', '119', 'j', '245', 'i', '121', '439']
answer:
1, 2, 3, 4, 5, 8, 9


question:
['h', 'e', 'v']
answer:
-1


question:
['m', 'd', 'a', '471', 'j', '499', 'e', '135', 'h', '135', '463', '151', '35', '475', '389']
answer:

1, 3, 4, 5, 6, 7, 8, 9