The spelling of the word "FYTSYRIO" can be explained using IPA phonetic transcription as /fɪtsiˈrɪəʊ/. The first syllable "fɪts" is pronounced with a short "i" sound and a hard "t" sound, followed by the "si" sound with a short "i" and soft "s". The last syllable "rɪəʊ" is pronounced with a short "i" sound and a rolling "r", followed by the long "e" sound and a slight "oh" sound. This unique spelling and pronunciation is important to properly convey the intended meaning of the word.