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.

['r', 'f', 'l', 'a', 'c', '489', 'e', 'p', 'm', '175', 'l']
1, 4, 5, 7, 8, 9

['u', 'm', 'n', 'h', 'u']
-1

['151', 'm', 't', 'v', '307', '309']

0, 1, 3, 5, 7, 9