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