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.

['73', '215', '389', '381', 'e', 'v', 'j', 'l', 'r']
1, 2, 3, 5, 7, 8, 9

['s', '291', '257', 'w', '497', '309']
0, 1, 2, 3, 4, 5, 7, 9

['n', 'z', 'd', '359', '67', 'l', '257', 'f', 'i', 'q', 'e', '379', '75']

2, 3, 5, 6, 7, 9

