The spelling of the word "CEBAI" can be explained using International Phonetic Alphabet (IPA) phonetic transcription. The word has four letters and is pronounced as /ˈsebaɪ/. The first letter "C" represents the voiceless palatal plosive sound /k/. The second letter "E" represents the vowel sound /ɛ/. The third letter "B" represents the voiced bilabial plosive sound /b/. The final letter "AI" represents the diphthong sound /aɪ/, which is a combination of the vowel sounds /a/ and /ɪ/. Therefore, "CEBAI" is pronounced as "se-bye" with stress on the first syllable.