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