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: ['453', 'i', 'g', '417', 'v', '77', '493', '433', 'y']
A:
1, 3, 4, 5, 7, 9