The spelling of "un supplest" may seem confusing at first. However, it can be easily understood using the International Phonetic Alphabet (IPA) transcription. The word is pronounced as /ʌn ˈsʌpəlst/. The first syllable is pronounced with the short vowel sound /ʌ/, followed by the consonant cluster /n/. The second syllable starts with the stressed vowel /ʌ/, then has a consonant blend of /s/ and /p/, followed by the unstressed vowel /ə/, and ends with the consonant /l/ and the unvoiced /t/ sound.