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