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.

['w', 'b', 'w', 'm', 'j', 'd', 'q', '47', '221', 'b', '201', 'f']
0, 1, 2, 4, 7

['353', '231', 'w', 't', 'j', 'r', 'm', '455', 'i', '281', '215']
1, 2, 3, 4, 5, 8

['l', 'z', 'y', 'p']

-1