The correct spelling of the word "IL Rbeta" may seem confusing at first glance, but can be explained with the International Phonetic Alphabet (IPA). The "I" is pronounced as "ih" and the "L" as "el." The "R" is pronounced as a rolled "r," while the "b" is pronounced as "be." The "e" in "beta" is pronounced as "eh." Therefore, the correct pronunciation of "IL Rbeta" is "ih-el-R-beh-ta." Using the IPA can help eliminate confusion over spelling and pronunciation.