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