The spelling of the word "ROIFNTAU" may appear odd at first glance, but it can be explained through the International Phonetic Alphabet (IPA). The first sound, /r/, is a voiced alveolar trill. The next sound, /ɔɪ/, is a diphthong made up of a mid-back rounded vowel and a near-close near-front vowel. The third sound, /f/, is a voiceless labiodental fricative. The fourth sound, /nt/, is a nasal alveolar stop and an alveolar plosive. The final sound, /ɔ:/, is a long mid-back rounded vowel.