How to Call private method from view?

[eluser]saidbakr[/eluser]
[quote author="n0xie" date="1262841227"]Why not add a table to the database where you define your 'letters' and do a simple left join?[/quote]

It is considerable idea, but the entity I talk about is very simple and does not require another table. Another thing, sql joining is not simple and it adds more complexity which avoided by the private function.

So is there any way call the controller's private function from the view?