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.

['n', '319', 's', '325', '177', '161', '43', 'g', 'o', '59', 'w', 'y', 'g', 'm']
1, 2, 3, 4, 5, 6, 7, 9

['99', '245', 'c', '435', '255', 'v']
2, 3, 4, 5, 9

['g', '289']

2, 8, 9