The spelling of the word "CU FTLB" may seem confusing, but it can be broken down phonetically using the International Phonetic Alphabet. The first two letters, "CU," are pronounced as the sound /k/ followed by the sound /ju:/, like the word "cue." The remaining letters, "FTLB," are pronounced with the sounds /f/, /t/, /l/, and /b/. Together, the word sounds like "kju: f'tl'b." While this word may not have a defined meaning in any language, understanding its phonetic breakdown can help with pronunciation and decoding of unfamiliar words.