The spelling of the word "Harmison" is phonetically represented as /hɑːmɪsən/. The IPA transcription showcases the distinct sounds present within the word, with the "h" representing a voiced glottal fricative, the "a" sound in "harm" indicating a short vowel, and the "m" sound being a voiced bilabial nasal consonant. The final "son" portion is represented as a schwa vowel followed by a voiced alveolar nasal consonant. Overall, the spelling of this word accurately represents the sounds present in its pronunciation.