The spelling of the word "Samjuana" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. The word is pronounced as /sæmˈdʒuːnə/. The first syllable is pronounced as "sam" with the short "a" sound followed by "dʒu" which is the phonetic representation for the "ju" sound. Lastly, we have the "nə" which represents the "nuh" sound. Overall, the word "Samjuana" is spelled according to its phonetic sound, which breaks down into three syllables that are each pronounced with different vowel sounds.