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