This is a great little tool to generate all the possible hack domain names from your domain, what is a hack domain?
Domain hacks are a way to register short or catchy looking domain names.
This from Wikipedia “A domain hack is a domain name that suggests a word, phrase, or name when concatenating two or more adjacent levels of that domain”.
Now before you get excited and think about registering don’t forget to use the domain check tool to see if its available.
Note – You don’t need to put a full domain in it can be just your brandname or just a key word or phrase.