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.

['u', 'm', 'n', 'h', 'u']
-1

['497', '21', '239', '487', '149', 'q']
1, 2, 3, 4, 7, 8, 9

['f', '211', '229', '275', '237', 'y', '151', 't', '143']

1, 2, 3, 4, 5, 7, 9