011502, 011518, 011525, 261102, 270305, 280105 - Lightning or electricity. More than one drop including teardrops or raindrops. Other natural phenomena and observable events. Plain single line rectangles. 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.