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: ['s', 't', 'c', '299', 'g', '33', 'o', '485', '345', '295', 'm', '345', 'q', '431', '151']

A: 1, 2, 3, 4, 5, 8, 9
****
Q: ['v', '467', 'm', '23', '479', '49', 'k', 'u', 'l', '119']

A: 1, 2, 3, 4, 6, 7, 9
****
Q: ['89', 'o', 'g', 'd', '53', '77', 'm', 'o', 'n', '239', '187', '323']

A:
1, 2, 3, 5, 7, 8, 9
****