The spelling of "Issac Koga" has an interesting phonetic transcription. The "Issac" portion is pronounced as " ˈaɪzək." The "aɪ" sound in "Issac" is a diphthong and is pronounced as [aɪ]. The "Koga" portion is pronounced as " ˈkoʊɡə." In terms of phonetics, the "oʊ" sound in "Koga" is a diphthong pronounced as [oʊ]. The emphasis is on the first syllable for both "Issac" and "Koga". The correct spelling and pronunciation are essential in communicating effectively.