Beng, pinyin is [bàng],{tone 4 - declining},port, pinyin is [bù],{tone 4 - declining},Bengbu combination is pronounced [bàng bù ],{4,4,}Extended information:Rhymes in a syllable can be divided into rhyme heads, rhyme bellies, and rhyme endings, the rhyme heads are also called medial, the bellies are also known as the main vowels, and the endings can be vowels or consonants