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: ['35', 'k', 'f', 'r', 'r', '149', '435', 'e', 'q', '169']

1, 3, 4, 5, 6, 9