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