The spelling of the word "sate in on" can be explained using IPA phonetic transcription. The first syllable, "sate," is pronounced as /seɪt/, with a long "a" sound and a voiced "t" at the end. The second syllable, "in," is pronounced as /ɪn/, with a short "i" sound. The third syllable, "on," is pronounced as /ɒn/, with a rounded "o" sound. Overall, the word "sate in on" is pronounced as /seɪt ɪn ɒn/.