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