The word "Bretta" is spelled with two t's and follows the phonetic transcription of /ˈbrɛtə/. The pronunciation of "Bretta" is emphasized on the "br" sound, which has a short e sound followed by a rolled r sound. The second syllable "et" has a short e sound followed by a soft t sound, and the word ends with another short a sound. This spelling helps clearly represent the unique pronunciation of the word and is essential for proper communication and understanding.