* e as in "bed" /ɛ/
* d /d/
* ju as in "use" /ʒu/ (This is a single phoneme, a complex one)
* k /k/
* eɪ as in "say" /eɪ/
* ʃ as in "ship" /ʃ/
* ən as in "button" /ən/ (Again, a single complex phoneme)
Therefore, there are seven phonemes in the word "education".