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: ['21', '447', '245', 'f', 'p', '431', '101', '23', 'n', '181', '269']

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