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.

[EX Q]: ['n', '319', 's', '325', '177', '161', '43', 'g', 'o', '59', 'w', 'y', 'g', 'm']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['137', '383', 'o', 'z', '199', '329', 'l', 'j', 'p', '469', 'f', 'm', '371', '485']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['345', 'k', '133', '381', '39', '35', 'z', 'g', 'k', 'r', 'g', 'w', 'r', '251', '269']
[EX A]:
1, 2, 3, 4, 5, 6, 8, 9