[ num ] sp capword , sp caplet . sp capword . sp capword sp capword sp capword sp othword sp capword sp capword sp capword sp [ capword ] sp / caplet . sp capword sp capword , sp capword sp capword , sp capword sp capword sp capword . sp — sp [ caplet . sp smallet . sp : sp smallet . sp smallet . ] . sp — sp ( capword sp othword ) .