The spelling of the word "wert in corner" is intriguing because it is not a commonly used phrase. However, breaking down the pronunciation using IPA phonetic transcription helps to understand the spelling. "Wert" is pronounced /wɜrt/ with a short "e" sound and a rolling "r." "In" is pronounced /ɪn/ with a short "i" sound. "Corner" is pronounced /ˈkɔrnər/ with an emphasis on the "o" sound and a nasal "n." The spelling of this phrase accurately reflects its pronunciation.