Well.. basically I found out a list of demonic words that Blizzard used in WoW.
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One-letter words A, E, I, G, O, U, X, Y
Two-letter words Az, Il, Me, No, Re, Te, Ul, Ur, Xi, Za, Ze
Three-letter words Asj, Daz, Gul, Kar, Laz, Lek, Lok, Maz, Ril, Ruk, Shi, Tor, Zar
Four-letter words Alar, Aman, Amir, Ante, Ashj, Kiel, Maev, Maez, Orah, Parn, Raka, Rikk, Veni, Zenn, Zila
Five-letter words Adare, Belan, Buras, Enkil, Golad, Gular, Kamil, Melar, Modas, Nagas, Rakir, Refir, Revos, Soran, Tiros, Zekul
Six-letter words Arakal, Archim, Azgala, Karkun, Kazile, Mannor, Mishun, Rakkan, Rakkas, Rethul, Revola, Thorje, Tichar
Seven-letter words Amanare, Belaros, Danashj, Faramos, Gulamir, Karaman, Kieldaz, Rethule, Tiriosh, Toralar, Zennshi
Eight-letter words Amanalar, Ashjraka, Azgalada, Azrathud, Belankar, Enkilzar, Kirasath, Maladath, Mordanas, Romathis, Rukadare, Sorankar, Theramas
Nine-letter words Arakalada, Kanrethad, Melarorah, Nagasraka, Naztheros, Soranaman, Teamanare, Zilthuras
Ten-letter words Amanemodas, Ashjrethul, Benthadoom, Burasadare, Enkilgular, Kamilgolad, Matheredor, Melarnagas, Pathrebosh, Ticharamir, Zennrakkan
Eleven-letter words Archimtiros, Ashjrakamas, Kamilgolad, Mannorgulan, Mishunadare, Zekulrakkas
Twelve-letter words Zennshinagas
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http://www.wowwiki.com/Eredun
And then I made a program to use replace my words with one of those.
The word "Who" will be translated into a random one of the demoic words above that also consists of 3 characters. Or it should be like that anyway, I got a slight bug where the last word in a sentence is used wrongly. But I will fix that sooner or later.
Example #2: