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: ['475', '23', '237', '319', 'h', 'r', '489', 'p', 'f', '407', '437', '435']

0, 1, 2, 3, 4, 5, 7, 8, 9