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.

['h', 'e', 'v']
-1

['i', 'z', '131', '449', '141', 's']
1, 3, 4, 9

['f', '489', '85', '397', 'd']

3, 4, 5, 7, 8, 9