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