He forgot to say that nr "3" has five letters and five has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters and four has four letters ........ (Until universe ends)