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