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.

['477', '293', '301', '269', '149', 'm']
0, 1, 2, 3, 4, 6, 7, 9

['375', '457', '423', 'q', 't']
2, 3, 4, 5, 7

['d', 'c', '217', '499', 'h']

1, 2, 4, 7, 9

