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:
['l', 'z', '453', '361', 'p', 'c', 'n', '77', '113', '261', 'g']
answer:
1, 2, 3, 4, 5, 6, 7


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


question:
['m', '415', '351', 'e', '363', '67', '297', 'h', '13', '181', '207', '15']
answer:

0, 1, 2, 3, 4, 5, 6, 7, 8, 9