Detailed Instructions: 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.
Q: ['417', '367', '405', '81', '217', '305', 'o', 'i', 'f']
A:
0, 1, 2, 3, 4, 5, 6, 7, 8