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: ['n', '187', 'a', '77', 't', '409', 'p', 'g', 'c', 'v', '111']

0, 1, 4, 7, 8, 9