The spelling of the word "OPAGIOS" can be explained using IPA phonetic transcription. The first syllable "o" is pronounced with a long "oh" sound, and "pa" with a hard "p" and "a" as in "father." The third syllable "gi" is pronounced with a soft "j" sound, as in "jingle bells," while the fourth syllable "o" is pronounced similarly to the first. Finally, the fifth syllable "s" is pronounced with a hard "s" sound. The combination of these sounds creates the spelling of "OPAGIOS."