The word "AREF" is spelled with three letters - A-R-E-F. Its pronunciation can be transcribed using the International Phonetic Alphabet as [ɑːɹɛf]. The first two letters, "A-R," represent the vowel sound /ɑː/, which is a low back vowel. The final two letters, "E-F," represent the consonant sounds /ɹ/ and /f/, which are a voiced alveolar approximant and a voiceless labiodental fricative, respectively. Together, they create a unique and distinct sound that makes up the word "AREF."