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.

['397', 'x', 'e', '179', '105', '381']
0, 1, 3, 5, 7, 8, 9

['239', 's', 'h', 'w', '131', 'i', 'x']
1, 2, 3, 9

['p', '153', '435', '305', '307']

0, 1, 3, 4, 5, 7