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.

[Q]: ['i', 'b', 'w', '409', 'f', '67', 's', '21', 'y', 'c', '401', 'f', 'k', '319']
[A]: 0, 1, 2, 3, 4, 6, 7, 9


[Q]: ['u', 'z', 'p', '99', 'b']
[A]: 9


[Q]: ['35', '311', '179', '351', 'q', '269', '53', 'u', 'm', 'h', '359']
[A]:
1, 2, 3, 5, 6, 7, 9