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