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.

['181', 'n', 'p', '349', '321', '457', 'h', 's', 't', 'k', 'x', 'a', '145', '135', 'u']
1, 2, 3, 4, 5, 7, 8, 9

['235', '17', 'g', '125', '455', 'h', 'u', 'u', 'y', '219', '129', 'q', 'u', 'r']
1, 2, 3, 4, 5, 7, 9

['j', 'y', '87', '249', '217', 'l', '277', 'y']

1, 2, 4, 7, 8, 9