The spelling of "ivy owl" is straightforward and follows regular English phonetic patterns. "Ivy" is spelled with the letter "i" representing the short "ih" sound, followed by the letter "v" and the letter "y." "Owl" is spelled with the letter "o" representing the long "oh" sound, followed by the letter "w" and the letter "l." The IPA transcription of "ivy owl" is /ˈaɪvi ˈaʊl/, with the stress on the first syllable of both words.