"Bordner" is spelled in accordance with English phonetics, with each letter representing a distinct sound. The word begins with the sound "b," pronounced as /b/. The second sound is an "o" sound as /ɔ/, followed by "r" sound, pronounced as /ɹ/. The "d" in "Bordner" is pronounced as /d/, while the "n" is pronounced as /n/. Lastly, the word ends with an "er" sound, pronounced as /ər/. Therefore, the correct pronunciation of "Bordner" would be /ˈbɔɹdnər/.