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.
Input: ['267', 'y', 'e', '183', 'i', '437', 'h', 'b', '469', '271', 'm', '195', 'o', 'o', '499']
Output:
1, 2, 3, 4, 5, 6, 7, 8, 9