The spelling of the word "paasonen" reflects the phonetic transcription in IPA as /pɑː.sɒ.nɛn/. This Finnish surname is pronounced as pau-son-en with a long "a" sound, followed by a "o" which is not stressed, and ending with "nen" which is pronounced as "nɛn". The double "a" in "paasonen" represents the long "a" sound and the double "o" sound in Finnish is typically shorter than in English. The spelling of Finnish words is closely related to the way they are pronounced.