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