"CESIBO" is a nonsensical word, but its spelling can be explained using the International Phonetic Alphabet (IPA). The first letter "C" represents the sound /s/ as in "sit." The next two letters "ES" represent the sound /ɛs/ as in "guess." The letter "I" represents the sound /i/ as in "bee." Finally, the letters "BO" represent the sound /bo/ as in "bone." Therefore, the correct phonetic transcription of "CESIBO" is /sɛsibo/. Despite its lack of meaning, this word can serve as a useful tool for studying English pronunciation.