"LUBEN" is a word that can be spelled in a variety of ways, depending on different interpretations of its pronunciation. In IPA (International Phonetic Alphabet) transcription, it can be written as /luːbən/ or /lʌbən/, indicating that the first syllable has a long "oo" sound or a short "u" sound. The second syllable is consistently spelled with a "b" and an "n" sound. While there may be different ways to spell "LUBEN," the IPA transcription provides a clear understanding of its pronunciation.