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