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