Node.js script taking a list of words from words.txt file and checking if each of these individual words exist on LoL servers.
Every available word is appended to coresponding data/<server>.txt file and you sholud be able to use it as summoner name.
Before running, you might want to remove contents of data folder, because data from script are apended to files.
$ git clone https://github.com/martyzz/summonercrawler.git
$ cd summonercrawler
$ npm install
Open index.js and replace <YOUR API KEY> with your api key.
$ node index
While running, script is delayed 1.5 seconds after each set of requests because of rate limits.
This set of 3000 most popular english words was used as resource. But feel free to use your own with a similiar format.