Tiawni is a unique name that may have been spelled differently by different individuals. In terms of phonetic transcription, one possible way to spell this name would be /tiːɔːni/. The first syllable "ti" represents the long "ee" sound, followed by "aw" which represents the "ɔː" sound, and ending with the "ni" syllable that sounds like "nee." It is important to note that the spelling of Tiawni may vary depending on the person's preference and language background.