[ num ] sp capword sp othword sp othword sp num othword sp capword sp capword sp othword sp capword sp othword sp capword sp othword sp capword othword sp capword sp othword sp capword , sp capword , sp capword , sp capword sp num , sp year sp ( othword sp othword sp othword sp othword othword sp upword - capword - num ) sp / sp capword . sp othword sp capword sp capword othword sp [ othword sp othword . ] . sp – – sp capword . sp num sp othword sp upword sp capword sp capword , upword - upword . othword , sp year . sp – – sp upword : sp othword : / / othword - othword . othword / capword - num .