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