[ num ] sp capword sp caplet , sp capword sp caplet , sp capword sp caplet . sp capword sp othword sp capword sp capword sp capword sp capword capword sp capword sp othword sp capword sp capword . sp capword sp ( capword ) . sp year ; num ( num ) . sp capword othword : sp othword : / / othword . othword / num . num / othword . smallet . num .