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.
Q: ['407', '17', 'u', '79', 'g', '243', '363', 'q', 'f', '363', '369', '379', 'i']
A: 
0, 1, 2, 3, 4, 6, 7, 9