The spelling of the word "wishon" can be a bit tricky as it is not a commonly used word. Phonetically, it is pronounced as /ˈwɪʃɑn/. The "w" is pronounced as a voiced bilabial fricative, while the "i" is pronounced as a short vowel sound. The "sh" is a voiceless postalveolar fricative followed by an "o" pronounced as a long vowel sound. The final "n" is pronounced as a voiced alveolar nasal. It is important to pay attention to each sound in the phonetic transcription when spelling the word correctly.