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