Q: 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.
['233', '323', 'q', '133', '329', 'i', 'n', 's', '203', 't', 'x', '121', 'y', '125', 'r']
A:
0, 1, 2, 3, 5, 9