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