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