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