Guess this 9 letter word

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Guess this Word !
I am a 9 Letter word.
Nobody can read without me.
4,5,6 is an Animal.
7 is Me and 3 is You.
2,8,9,1 means Completed.
Who am I?

Click here for Answer

EDUCATION
4,5,6 = CAT
7 = I and 3 = U
2,8,9,1 = DONE