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