You now know all the vowels. Lets be sure we know them, and lets learn them in alphabetical order.

α alpha
ε epsilon
η eta
ι iota
ο omicron
υ upsilon
ω omega

Please enable Javascript in your browser to hear the Professor.

Alpha, epsilon and omicron are always a short sound.

Eta and omega are always a long sound.

Iota can be short or long.