Hear the voice then click on an image:
o - [o]
che - [tʃ]
a - [a]
zeta - ['θet̪a] o ['set̪a]
o - [o]
che - [tʃ]
a - [a]
zeta - ['θet̪a] o ['set̪a]
https://www.goethe-verlag.com/vocab/