[ num ] sp capword sp othword sp capword sp capword : sp capword sp - sp capword sp - sp capword , sp othword sp capword sp capword sp othword sp othword othword sp othword sp othword sp othword sp othword sp [ capword ] sp / sp capword . sp othword sp capword sp capword , sp capword sp capword , sp caplet othword othword sp capword . sp — sp capword . sp num sp othword sp capword sp capword sp othword sp capword sp capword , sp [ caplet . sp smallet . ] sp : sp capword , sp year . sp — sp upword : othword : / / othword . othword / num . num / capword .