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