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.

['23', 'p', '409', '305', 'z', 'q', '295', '391']
0, 1, 2, 3, 4, 5, 9

['455', '447', 'x', '479', 'b', '267', '339', '29', '267']
2, 3, 4, 5, 6, 7, 9

['t', 'v', '271', 'y', 'w', 'e', '367', '449', 'h', '401']

0, 1, 2, 3, 4, 6, 7, 9