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