Demeter: Δημητηρ
In Greek capital letters, Heracles is spelled as ΗΡΑΚΛΗΣ.
Ͱερμης
The Greek word for "Hercules" is "Ηρακλής".
Ͱηρακλης = Herakles
Ἥρα = heera
Elies.
Cronus and Rhea
Those letters spell cannibal and have nothing to do with Greek mythology.
In Greek letters, "yiayia" is spelled γιαγιά. It means "grandmother" in Greek and is a term of endearment used for one's grandmother.
Απόλλων : Apóllo̱n
Η Ελλάδα είδη
Demeter's son is Persephone, who is also known as Kore. She is the goddess of the harvest and agriculture in Greek mythology.