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