The word "LI ARB" is spelled with two syllables, /li/ and /ɑːb/. The first syllable is pronounced with a short "i" sound, like the word "sit", and the second syllable is pronounced with a long "a" sound, like the word "car". The letters "I" and "A" represent these sounds respectively, while the letters "R" and "B" are pronounced with their usual sounds. This spelling is important for accurately conveying the pronunciation of the word "LI ARB" in written form.