The spelling of the word "wissem" can be confusing due to its unique phonetic makeup. The correct IPA transcription for this word is /ˈwɪsəm/. The "w" sound is followed by a short "i" vowel sound, represented by the symbol /ɪ/. The following "s" sound is followed by a schwa sound, represented by the symbol /ə/. Finally, the word ends with an "m" sound, represented by the letter "m". Keeping in mind its phonetic transcription can help with proper spelling of "wissem".