Pronunciation: [hˈa͡ʊɪŋ ɑː juː] (IPA)
Correct spelling for the English word "howing are you" is [hˈa͡ʊɪŋ ɑː juː], [hˈaʊɪŋ ɑː juː], [h_ˈaʊ_ɪ_ŋ ɑː j_uː] (IPA phonetic alphabet).