Question: Remove all unit-productions, all useless productions, and all lambda - productions from the grammar S rightarrow aA|aBB, A rightarrow aaA|lambda, B rightarrow bB|bbC, C rightarrow

Remove all unit-productions, all useless productions, and all lambda - productions from the grammar S rightarrow aA|aBB, A rightarrow aaA|lambda, B rightarrow bB|bbC, C rightarrow B. What language does this grammar generate

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