The spelling of the surname "Inoyatov" can be explained using the International Phonetic Alphabet (IPA). The first syllable, "I-n," is pronounced with a schwa sound (ə), followed by the consonant sound "y" (j). The second syllable, "o-y," combines the vowel sound "o" (o) with the consonant sound "y" (j) to create a diphthong. The final syllable, "-atov," is pronounced with the vowel sound "a" (æ) followed by the consonant sound "t" (t) and the vowel sound "o" (o). Overall, the IPA transcription of "Inoyatov" is [ɪn.'jɔj.æ.tɔv].