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.
['b', 't', 'q', 'j', '219', 'n', 'j', 'y', 'q', '387', 't', '201', 'h', 'z', 'r']
A:
0, 1, 2, 3, 7, 8, 9