The spelling of the word "kuester" may appear confusing, but it is easy to break down using IPA phonetic transcription. In IPA, "k" represents the sound /k/, "u" represents the sound /u/, "e" represents the sound /ɛ/, "s" represents the sound /s/, "t" represents the sound /t/, and "er" represents the sound /ɚ/. Therefore, when looking at the word "kuester" from a phonetic standpoint, it is pronounced as /kʊstər/.