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