The word "junku" is spelled using the IPA phonetic transcription as /dʒʌŋku/. The initial sound /dʒ/ is the voiced postalveolar affricate, followed by the vowel sound /ʌ/ which is the short mid-open vowel. The next sound is /ŋ/ which is the velar nasal consonant, and finally, the last sound is /ku/ which is the close back rounded vowel followed by the voiceless velar stop. Overall, the spelling of "junku" using the IPA transcription accurately depicts the pronunciation of the word.