The spelling of the word "shetterly" is a bit tricky, as it can be difficult to determine the correct phonetic sounds. The correct spelling of this word is /ʃɛtərli/, with emphasis on the second syllable. The "sh" sound is represented by the phonetic symbol /ʃ/, while the short "e" and "t" sounds are pronounced as /ɛ/ and /t/ respectively. Finally, the suffix "-ly" is pronounced as /li/. With this phonetic representation, it should be easier to spell the word "shetterly" correctly.