The spelling of "Buchmann" is phonetically transcribed as /bʊk.mæn/. The first syllable "buch" is pronounced with the "u" sound as in "book", followed by the "ch" sound as in "church". The second syllable "mann" is pronounced with the "a" sound as in "cat", followed by the "n" sound. Therefore, the word "Buchmann" is pronounced as "book-man" with a stress on the first syllable. It is important to spell words correctly for clear communication and to avoid confusion.