Dutton's Speedwords
Dutton Speedwords is a  made-up language written by Reginald John Garfield Dutton. The idea of Dutton Speedwords is to make frequent words short, and very frequent words very short. Dutton Speedwords can be used as a second language for international communications. Dutton Speedwords is also a shorthand writing system – this means you can use it to write quickly.