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