The spelling of the word "yuhiko" can be explained through the International Phonetic Alphabet (IPA) transcription. The "y" sound is represented by the IPA symbol /j/, the "u" sound by /u/, and the "h" sound by /h/. The "i" sound is represented by the IPA symbol /i/, while the "k" sound is represented by /k/. Thus, the IPA transcription for "yuhiko" is /jʊhiko/. Careful attention to the IPA symbols can guide proper spelling and pronunciation of this word.