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