[ othword : year : capword ] sp caplet . sp caplet . capword . sp capword sp othword othword sp othword sp othword sp capword num sp capword sp – sp num sp capword sp year . capword sp capword sp upword / year / num , sp capword capword , sp capword , sp num sp capword sp year . upword othword : / / othword . othword . othword . othword . othword / othword / caplet . capword / othword / othword / othword . othword capword : sp capword othword : / / othword . othword . othword . othword . othword / othword / caplet . capword / othword . othword othword sp othword sp othword sp capword sp othword othword sp othword sp othword sp othword othword sp othword sp othword sp capword smallet sp othword othword . sp capword sp othword sp othword othword sp smallet sp othword sp othword sp othword sp othword othword sp othword sp capword sp othword sp year othword sp othword . sp capword sp othword sp othword othword sp othword sp othword sp othword sp othword sp othword othword : sp [ othword : year : capword ] sp othword