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