The spelling of the word "copei" may seem irregular, but it can be explained phonetically. The first syllable is pronounced as /kɵ/, similar to the "c" sound in "cat" and the "o" sound in "hot". The second syllable is pronounced as /peɪ/, with the "p" sound and the "ay" sound in "day". The final syllable is pronounced as /i/, the same as the "i" sound in "pin". Overall, the spelling of "copei" follows a phonetic pattern, and can be pronounced as /kɵpeɪi/.