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