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: ['h', 'i', 'e', '319', 'g', '187', '395', 'f', '327', 'y']

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