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:
['v', '351', 's', 'f', 'd', '137', '11', '355', '345', 'm', 's', '165', '97', '225']
answer:
1, 2, 3, 4, 5, 6, 7, 9


question:
['u', 'c', 'f', 'z', '51', '301', 'q', '275']
answer:
0, 1, 2, 3, 5, 7


question:
['u', 'a', '373', '271', '303', '137', 't', '345', '243', '493', 'b', 'q']
answer:

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