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