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.

['j', 't']
-1

['w', '13', 'b', '455', 'b', 'k']
1, 3, 4, 5

['s', '445', '105', '401', 'e', '63', 'b', '393', '247']

0, 1, 2, 3, 4, 5, 6, 7, 9