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.

['189', '463', '421', '195', 'u', '299', '219', '181', '215', 'h', 'w', 'd', '211', '167']
1, 2, 3, 4, 5, 6, 7, 8, 9