The spelling of the surname "Chebotayev" can be explained using the International Phonetic Alphabet (IPA). The first sound, "ch," is the voiceless palatal fricative, which is a sound similar to the "sh" in "ship," but produced with the tongue raised towards the roof of the mouth. The second sound, "e," is the mid-front vowel, which sounds like the "e" in "pet." The third sound, "bo," is pronounced like "bo" in "box." The fourth and fifth sounds, "ta," are both pronounced as in "talk." Finally, the last sound "yev," is pronounced "yev" as in "Yevgeny."