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: ['477', '293', '301', '269', '149', 'm']

A: 0, 1, 2, 3, 4, 6, 7, 9
****
Q: ['c', 'm', 'h', 'c', '69', '233', 'j', 'g', 'r', 'x', '59', 'p', '469']

A: 2, 3, 4, 5, 6, 9
****
Q: ['485', 'g', '5', '357', '475']

A:
3, 4, 5, 7, 8
****