How Do You Spell 37OH?

Correct spelling for the English word "37OH" is [θˈɜːtisˈɛvən ˈə͡ʊ], [θˈɜːtisˈɛvən ˈə‍ʊ], [θ_ˈɜː_t_i_s_ˈɛ_v_ə_n ˈəʊ] (IPA phonetic alphabet).