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