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.

['395', 'p', '373']
3, 5, 7, 9

['437', '377']
3, 4, 7

['11', 'w', 'n', 'n', 'p', '247', '317', 'c', 'z', 'g', 'y', 'u', 'k', '65']

1, 2, 3, 4, 5, 6, 7