Stages of Japanese language uredi

Hi, 榎-san.
Tell me, what are the stages of Japanese language? Can you list them here, so we can easily and properly translate the names in Croatian?
As I see from the texts on en.wiki, there're Old Japanese, Late Old Japanese, Early Middle Japanese,.... what are the names of the next stages...?
The article "Japanese language" doesn't give us info regarding to that.
Also, there're the articles "Classical Japanese language" and "Bungo (Japanese language)" (that also mentions kōgo...).
Sincerely, Kubura 10:19, 11. listopad 2007. (CEST)

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