The spelling of the word "WUT" may seem confusing at first, but it can be explained using IPA phonetic transcription. In this case, "WUT" is pronounced as /wʌt/, which consists of the "w" sound followed by the vowel sound in "cup" and the "t" sound at the end. This spelling accurately represents the sound of the word, and is used most commonly in informal communication, such as text messages or social media posts.