What are silent letters of playwright?

The word "playwright" doesn't have any silent letters. All the letters in the word are pronounced:

* P - /p/

* L - /l/

* A - /eɪ/

* Y - /w/

* R - /r/

* I - /aɪ/

* G - /g/

* H - /t/ (in this case, "gh" makes the "t" sound)

* T - /t/

Let me know if you have any other words you'd like to check for silent letters!