The spelling of "brought board" can be explained using the International Phonetic Alphabet (IPA): /brɔːt bɔːd/. The initial "br" sound is pronounced with a voiced bilabial trill, followed by the long "o" sound in "brought" and the "t" sound. The word "board" contains the long "o" sound and the voiced bilabial stop "b," followed by the "ɔː" vowel and the voiceless alveolar plosive "d." This spelling represents the sounds of the word using standardized phonetic symbols.