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: ['309', 'w', '491', 'p', '451', '271', '205', '439', '111', 'l', 'z']

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