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