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