Contents used in above search are two short quotes from Alice's Adventures in Wonderland by Lewis Carroll. So, "alice" is not a bad choice to search at first.

1. txt/Alice-in-Wonderland.txt
2. txt/Lewis-Carroll.txt

Index files are formatted as json. Followings are these index files genarated for the above two contents. Two characters and a character indexes for the bigram.

1. Open a console and locate at the folder js-py-ngram-full-text-search.
2. Place content files in a folder txt.
3. Make a blank folder idx.
4. Run python test4_jsngram.py.
5. Files are created in idx.
6. Download jquery-3.1.0.min.js from JQuery web site. Another version can work, with just changing the script link uri in html file.
7. Open example1-JsNgram.html with your FireFox or Safari.
8. Try search and fun:)

• Demo sources
• Reference