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.

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

['q', 'u', '199', 'v', '249']
1, 2, 4, 9

['333', 'g']

3