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.

['213', '439', '407', 'g', '103', 'o', '407', 'f', 'y', '475', '481', 'w']
0, 1, 2, 3, 4, 5, 7, 8, 9