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.

['q', 'a', '149']
1, 4, 9

['k', '233', 'h', 'd', 's', '83', '149', 'p', 'm']
1, 2, 3, 4, 8, 9

['r', '149', 'y', 'y']

1, 4, 9