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