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