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.

['175', 'c', 'c']
1, 5, 7

['387', '7', '93', '105', '181']
0, 1, 3, 5, 7, 8, 9

['o', 'l', 'q']

-1