γ-0, γ-4, γ-9, α-7, α-9, β-5, α-2, γ-8, γ-2, β-3, β-9, δ-0, γ-5, α-1, β-4, β-1, δ-1, α-0, γ-3, α-5, α-3, β-7, γ-7, β-8, α-4, β-6, γ-6, α-8, γ-1, β-2, β-0, δ-2. Is "α-6" in the previous list? 
Provide no explanation, directly answer with only "Yes." or "No."