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]: ['p', '231', 'd', 'i', '33', '431']
[A]: 1, 2, 3, 4


[Q]: ['c', 'm', 'h', 'c', '69', '233', 'j', 'g', 'r', 'x', '59', 'p', '469']
[A]: 2, 3, 4, 5, 6, 9


[Q]: ['213', '321', 'z']
[A]:
1, 2, 3