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