The spelling of the word "Sandfurd" follows the phonetic principles of the International Phonetic Alphabet (IPA). The word is pronounced as /ˈsændfərd/, where the "a" is pronounced as the short "a" sound, the "f" is a voiceless labiodental fricative, and the "u" is pronounced as the schwa sound. The final "d" is pronounced as a dental fricative. This spelling showcases how the phonetic sounds of a word can influence its spelling, making it easier to decipher and understand pronunciation.