public PreviewCrosswordWord(DictionaryWord dictionaryWord, CrosswordWordPosition position) : base(null, dictionaryWord, position) { }
public PreviewCrosswordWord(string word, CrosswordWordPosition position) : base(null, new DictionaryWord(word), position) { }
public CrosswordLetter(string letter, CrosswordWordPosition position) { this.letter = letter; this.position = position; }