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