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.

['93', 'w', '357', 'z', '293', '83', 't', 'w', '11']
1, 2, 3, 5, 7, 8, 9

['175', 'c', 'c']
1, 5, 7

['w', '79']

7, 9