The correct spelling of the word "elsner" is /ˈɛlsnər/. The first syllable "els" is pronounced with a short "e" sound followed by "ls" pronounced like the "l" in "milk" and the "s" in "sun". The second syllable "ner" is pronounced with a short "e" sound followed by "n" and "er" pronounced like the "er" sound in "butter". Phonetic transcription is a useful tool to understand the pronunciation of words, and can be especially helpful for non-native speakers or those learning a new language.