The spelling of the word "khuen" is based on its pronunciation, which can be broken down using the International Phonetic Alphabet (IPA). The first sound is a velar fricative "k" (represented as /k/), then a voiceless glottal fricative "h" (/h/), followed by a close-mid front rounded vowel "u" (/y/), and finally a voiced alveolar nasal "n" (/n/). Together, these sounds create the unique pronunciation of "khuen". It's important to spell words accurately, as correct spelling aids in clear communication and understanding.