The spelling of the word "Sudovian" can be explained using IPA phonetic transcription. The first syllable "Su-" is pronounced with a /su/ sound, like in the English word "super". The second syllable "-do-" is pronounced with a /dɔ/ sound, like in the English word "door". The third syllable "-vian" is pronounced with a /viən/ sound, like in the English word "avian". Therefore, the correct spelling of this word is "Sudovian" and it is pronounced /suːdɔvɪən/.