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: ['459', '413', 'y', 'g', 'f', 'x', '383', '301', '87', 'o', '125', 'e', 'w', 'r']
A: 
0, 1, 2, 3, 4, 5, 7, 8, 9