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