The correct spelling of the phrase "having all over" is /ˈhævɪŋ ɔːl ˈəʊvə/. The word "having" is spelled with "h", "a", "v", "i", "n", and "g", and is pronounced as /ˈhævɪŋ/. "All" is spelled with "a" and "l", and is pronounced as /ɔːl/. "Over" is spelled with "o", "v", "e", and "r", and is pronounced as /ˈəʊvə/. The correct spelling and pronunciation of a word helps in effective communication and understanding.