The word "Dilean" has a unique spelling, which can be explained through its IPA phonetic transcription. The first syllable is pronounced as "dɪ", followed by the second syllable pronounced as "liən". The "e" in the second syllable is silent, and the "i" and "a" are pronounced as a diphthong, represented by "iə". The final "n" is pronounced with a nasal sound. Despite its unfamiliar spelling, "Dilean" can be accurately pronounced with the help of its phonetic transcription.