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