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