Izhar letters?

To sum up, the six letters that emerge from the throat are: khaa' ( ? ), ghayn ( ? ), haa' ( ? ), ayn ( ? ), haa ( ?? ), and hamzah ( ? ). In this lesson we learn the rules for tanween, noon saakin and Izhar Letters. On what basis are they categorized as the letters of Izhar/Idhar? Answer Assalaam alaikum, The letters of are called thus because they cause the previous letter. To sum up, the six letters that emerge from the throat are: khaa' ( ? ), ghayn ( ? ), haa' ( ? ), ayn ( ? ), haa ( ?? ), and hamzah ( ? ). To pronounce the letters from their makhraj, clearly and distinctly, without any changes.