Partial Answer:
Taking it as face value, I presume you have to get the phonetic pronounciations of all the characters in the letter. Which are from different languages. Here's what I've surmised so far. I can't figure any rhyme or reason to the languages chosen, though. And I'm sufficiently troubled by the fact that some languages are read forward and some backwards. Must be missing something...
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? ? ? ? se(arabic)
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? n(thai) ? ? t + o (korean) fe(armenian)
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? ? ta (arabic?) ? ?