The spelling of the word "osayomi" can be a bit tricky, but it follows the conventions of English spelling rules. It's pronounced /osæjɒmi/. The "o" is pronounced as a short "o" sound, followed by "s" and "a" sounds, and then a diphthong that combines "j" and "ɒ" sounds. Finally, it concludes with the "m" sound. While it may appear hard to spell at first glance, breaking down its phonetic transcription can make it easier to remember and pronounce.