The word "schwantes" is spelled with a "schwa" sound at the beginning, represented by the IPA symbol /ə/. This is followed by the consonant cluster "chw", which is pronounced with an aspirated /k/ sound followed by a /w/ sound. The final syllable is pronounced with a long /a/ sound represented by the IPA symbol /eɪ/. Therefore, the correct spelling of this word is "schwantes" (/əkˈwæntɪz/).