Sigma

'S e Sigma (Σ, σ, ς) an ochdamh litir deug den aibidil Ghreugach. Tha e co-ionnan ri S san aibidil againne.

Aibidil Ghreugach
Alpha \| Beta \| Gamma \| Delta \| Epsilon \| (Fau) \| (Stigma) \| Zeta \| Eta \| (Heta) \| Theta \| Iota \| Kappa \| Lambda \| Mu \| Nu \| Xi \| Omicron \| Pi \| (San) \| (Sho) \| (Qoppa) \| Rho \| Sigma \| Tau \| Upsilon \| Phi \| Chi \| Psi \| Omega \| (Sampi)