Guess the missing item from this list: γ-2, γ-9, γ-8, γ-4, γ-0, α-5, β-4, γ-1, α-8, δ-0, γ-6, β-8, α-9, γ-7, β-7, α-4, β-3, α-6, β-5, α-0, γ-3, β-6, γ-5, δ-2, α-2, α-1, α-3, β-0, β-9, α-7, β-1, β-2.
Directly answer with only one item. Item format should match the list format. Provide no explanation. Answer format: "{item}."