The spelling of the word "iliesa" can be explained through IPA phonetic transcription. The first syllable is pronounced as "il" with a short "i" sound and a silent "e". The second syllable is pronounced as "ye" with a long "i" sound and a silent "e". The third syllable is pronounced as "suh" with a soft "s" sound and a short "u" sound. The final syllable is pronounced as "a" with a short "a" sound. Overall, "iliesa" is spelled based on the English language's phonetic sound system.