The word "sasun" is spelled with the IPA phonetic transcription of /sæsʌn/. The initial sound is the unvoiced sibilant /s/, followed by the short vowel /æ/, which is pronounced with the tongue further forward than in the vowel /ʌ/ that follows. The second syllable starts with the open-mid back unrounded vowel /ʌ/ and ends with the nasal consonant /n/. The spelling of "sasun" accurately reflects its pronunciation using the principles of English phonetics.