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.

['477', '293', '301', '269', '149', 'm']
0, 1, 2, 3, 4, 6, 7, 9

['c', 'u', 'b', '347', '191']
1, 3, 4, 7, 9

['o', 'm', '311', '7', 'o', '211', '59', '105', '25', 'h', '197', 'n', '495', 'o']

0, 1, 2, 3, 4, 5, 7, 9