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