original_query: What is the significance of the Beninese national alphabet in transcription? What is the most relevant chunk to answer the query?
query: What is the significance of the Beninese national alphabet in transcribing the Bariba language?
answer: The Beninese national alphabet is used to transcribe the Bariba language, but it requires additional characters from the International Phonetic Alphabet (IPA) to represent sounds not found in standard Latin script.