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