[ capword - capword ( year smallet ) ] sp capword - capword , sp caplet . sp ( year smallet ) . sp capword sp othword sp othword sp othword sp othword sp othword sp othword sp othword . capword sp [ capword ( year ) ] , sp num – num . sp upword sp othword : / / othword . othword . othword . othword . othword / othword / caplet . capword / othword / othword / capword . othword .