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