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