"Blackmer" is a surname that is pronounced as /blæk.məɹ/. The word is spelled phonetically, using the International Phonetic Alphabet (IPA), which is a system created to represent the sounds of spoken language. The first syllable is pronounced with a short "a" sound, followed by a "k" sound, and then an "m" sound. The second syllable is pronounced with a schwa sound, followed by an "r" sound. When spoken correctly, the spelling of "blackmer" should match the pronunciation, making it a good example of phonetic spelling.