Lesson 1c: Two-letter vowels

From Wikiversity

There are four different types of two-letter vowels:

αι - Τhis is pronounced in the English language as "ee" as in meet, it is also pronounced the same as the other vowels ( η, ι, υ) in the Greek Alphabet.

ει - Τhis is pronounced also in the English language as "ee" as in meet, it is also pronounced the same as the other vowels( η, ι, υ) in the Greek Alphabet.

οι - Τhis is pronounced also in the English language as "ee" as in meet, it is also pronounced the same as the other vowels( η, ι, υ) in the Greek Alphabet.

ου - This is pronounced in the English language as "oo" as in moo.