How Do You Spell OIOO?
Pronunciation: [ˈɔ͡ɪuː] (IPA) 
The spelling of the word "OIOO" can be explained using IPA phonetic transcription. The first sound is represented by the letter "O" which is pronounced as "oh". The next two sounds are represented by the letter "I" pronounced as "ee". The final sound is again represented by the letter "O" pronounced as "oh". Thus, the correct pronunciation of the word "OIOO" is "oh-ee-oh". The meaning of this word is ambiguous as it is not found in any dictionary or language records.
