070703, 261701, 261705, 261713, 270305, 280105 - Roofs. Straight line(s), band(s) or bar(s). Horizontal line(s), band(s) or bar(s). Letters or words underlined and/or overlined by one or more strokes or lines. Representations of objects forming letters or numerals, including punctuation. Inscriptions in Greek characters, including the following: Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Ο ο Π π Ρ ρ ς Σ σ Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω.