[ num ] sp capword sp capword sp capword sp othword sp capword sp capword sp othword sp capword sp capword sp [ capword ] sp / sp caplet . sp capword , sp caplet . sp capword othword , sp caplet . sp capword sp [ othword sp othword . ] sp / / sp capword . sp capword . sp caplet . sp — sp year . sp — sp capword . sp num , sp othword . sp num . sp — sp caplet . sp num – num .