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