The spelling of the phrase "more itty bitty" can be explained by using IPA phonetic transcription. It has two syllables with stress on the first, "more" [mɔː], which is pronounced with an open-mid back rounded vowel followed by the "r" sound. "Itty" [ˈɪti] is pronounced with a short "i" sound, followed by a "t" sound and a long "e" sound. "Bitty" [ˈbɪti] is pronounced with a short "i" sound, followed by a "t" sound and a short "i" sound. Together, the phrase means "even smaller".