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