When generating candidates by replacing positions of adjacent characters, for words where some of the adjacent characters are same, the candidate word and the original word will be same when replacing the duplicate characters. Don't generate candidate in such a case.
When generating candidates by replacing positions of adjacent
characters, for words where some of the adjacent characters are
same, the candidate word and the original word will be same when
replacing the duplicate characters. Don't generate candidate in such
a case.

abhinav-upadhyay/nbspell,abhinav-upadhyay/nbspell