Definition: 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.
Input: ['145', '339', 'x', '359', '481', '113', 't', '255', 'm', 'h', 'r', '27']
Output:
1, 2, 3, 4, 5, 7, 8, 9