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