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