The invention of these two people already has the function of two-way communication in terms of phonetics and semantics, but they have not made any achievements in grammar. The biggest problem is to memorize more than 2,800 words with no development history and irregular rules. Many languages on the planet are also developed from other mature languages. So I think the language between them is pseudo-Persian, not pseudo-language. In my opinion, two basic elements are needed to quickly master a language, one is pressure, and the other is interest. Given enough time, they can create a new language.
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