The word "OBHECC" has a unique spelling that can be explained using the International Phonetic Alphabet (IPA). The first two letters "OB" are pronounced as the short "o" sound followed by the voiced bilabial stop "b". The next two letters "HE" are pronounced as the "e" sound followed by the voiced velar fricative "h". The final two letters "CC" are pronounced as the voiceless alveolar affricate "ch". Together, these phonemes create the spelling "OBHECC" with a distinct pronunciation.