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