The spelling of the word "gotten chest" might seem unusual to some, but it actually follows the rules of English phonetics. The sound represented by the letters "ot" is pronounced as a short "o" followed by a "t" as in "not". Similarly, the "en" sound in "gotten" is pronounced as a short "o" followed by a "n" as in "often". The pronunciation of "chest" is straightforward, with the "ch" sounding like "tch". The IPA transcription for "gotten chest" is /ˈɡɑtn ˈtʃɛst/.