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