The spelling of "Caycie" is unique and can be explained using the International Phonetic Alphabet (IPA). The name starts with the "k" sound, represented by the phonetic symbol /k/. The vowel sound is represented by the diphthong /eɪ/ which sounds like "ay". The final sound is the soft "s" sound, represented by the phonetic symbol /s/. Therefore, the correct spelling of this name is "Caycie" /keɪsi/ which is pronounced as kay-see.