The spelling of the word "Bittinger" is not intuitive when it comes to the pronunciation. The correct pronunciation is /bɪtɪŋər/. The "b" sound is pronounced as usual, followed by a short "i" sound, "t" and "ɪ" sound. The two "n" letters together are pronounced as "ŋ" sound, similar to the "ng" sound in "sing". Lastly, the "er" at the end is pronounced as "ər". This demonstrates how important it is to use phonetic transcription to accurately represent the pronunciation of words.