If anyone is interested, I have made a few modifications to my Klingon mode for Tengwar. I've added characters for the consonant clusters w', y', and rgh, changed the character for y, fixed a vowel diacritic, and added a mark for doubled consonants.

You can see it here: http://trimboli.name/KlingonTengwar.html

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SuStel
http://trimboli.name