[ num ] sp capword sp caplet . sp capword sp othword sp othword sp othword sp othword sp othword sp othword sp othword . upword : sp capword sp othword sp capword ; sp year . sp capword sp othword : sp othword : / / othword . othword . othword . othword : year / othword caplet / othword num . upword / othword num othword / - num num caplet - num num num upword / othword & upword othword num othword & num num num caplet .