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.

['z', 'e', 'c']
-1

['p', 'r', 'e', 'b', '149', '361', 'i']
1, 3, 4, 6, 9

['459', 'c', '287', 'j', 's', '263', 'z', 'v', '229', '147', '357']

1, 2, 3, 4, 5, 6, 7, 8, 9