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.

['131', '483', 'k', '387', '451', 'j']
1, 3, 4, 5, 7, 8

['j', 't']
-1

['z', 'l', 's', '249', 'e', 'h', 'l']

2, 4, 9