The German language allows the affricate /pf/ at the beginning of a word. Though written as two letters, this is one sound. The /pf/ developed from /p/ and in fact often corresponds to a /p/ in English.
Here are ten German words which begin with /pf/:
The word-initial /pf/ is pronounced /f/ by certain speakers. This affricate often corresponds to a /p/ in English and other Germanic languages. The word pepper is also pepper in Norwegian, peper in Dutch, peber in Danish and peppar in Swedish. German is unique among Germanic languages for allowing word-initial /pf/ .