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: ['m', '415', '351', 'e', '363', '67', '297', 'h', '13', '181', '207', '15']

0, 1, 2, 3, 4, 5, 6, 7, 8, 9