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