public IEnumerable <IGrouping <int, string> > Get(string letters)
{
var dictionaryWords = dictionaryReader.Read();
return(dictionaryWords
.AsParallel()
.Where(dictionaryWord =>
dictionaryWord.Length >= settings.MinimumCharacters &&
dictionaryWord.CanBeMadeFrom2(letters))
.OrderBy(x => x)
.GroupBy(x => x.Length)
.OrderBy(x => x.Key));
}
