raccolta lettere greche speciali

epsilon $$\varepsilon$$ genera $\varepsilon$
phi $$\varphi$$ genera $\varphi$
pi $$\varpi$$ genera $\varpi$
rho $$\varrho$$ genera $\varrho$
sigma $$\varsigma$$ genera $\sigma$
theta $$\vartheta$$ genera $\vartheta$