The spelling of the word "DSSDH" can be explained through the International Phonetic Alphabet (IPA), which provides a standardized way of representing the sounds of spoken language. In IPA, "D" is pronounced as "d", "S" is pronounced as "s", "H" is pronounced as "h", and "DH" is pronounced with a voiced dental fricative sound, similar to the "th" sound in "this". Thus, the spelling of "DSSDH" translates to the phonetic transcription /diːsɛsdeɪtʃ/.