Search scrabble game words.
...
InputStream wordsFile = ...;
Words wordsSet = HashSetWords.open(wordsFile);
Dictionary dictionary = new Dictionary(words);
Set<String> searchResult = dictionary.findWords("hlleoowrld");
Look here https://boardgames.stackexchange.com/questions/38366/latest-collins-scrabble-words-list-in-text-file