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