The word "arua" is spelled with four letters - A, R, U, and A. Its IPA phonetic transcription is /əˈru.ə/. The first letter "A" is pronounced as a schwa sound, the second letter "R" is pronounced as the voiced alveolar approximant, the third letter "U" is pronounced as the vowel sound /u/, and the fourth letter "A" is pronounced as another schwa sound. The spelling of the word "arua" indicates that it is likely a proper noun or a foreign term.