The spelling of the word "heyman" can be broken down using the IPA phonetic transcription. The first sound is a glottal stop, represented by the symbol /ʔ/. The second sound is the long "a" vowel sound, represented by the symbol /eɪ/. The third sound is the "y" consonant sound, represented by the symbol /j/. The fourth and final sound is the "m" consonant sound, represented by the symbol /m/. Therefore, the spelling of "heyman" is represented in IPA as /ʔeɪjmən/.