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