The spelling of the word "Manasio" can be explained with the use of IPA phonetic transcription. The first syllable "Ma" is pronounced with a short "a" sound, represented by /mæ/. The second syllable "na" is pronounced with a long "a" sound, represented by /neɪ/. The third syllable "si" is pronounced with a short "i" sound, represented by /sɪ/. The fourth syllable "o" is pronounced with a short "o" sound, represented by /ɑ/. Overall, the correct spelling and pronunciation of "Manasio" can be achieved with the use of IPA phonetic transcription.