The spelling of the word "be fogs" is a bit tricky, as it contains a silent "e" and an irregular "f" sound. In IPA phonetic transcription, it would be written as /bɪˈfɒɡz/. The "e" after the "b" is silent, so it does not affect the pronunciation. The "f" sound in English is usually pronounced with the lips touching the upper teeth, but in this word, it is pronounced with the lower lip touching the upper teeth. The "s" at the end of the word is pronounced as a "z" because it follows a voiced sound (/g/).