Pronunciation: [sˌiːˌɛstˌiːvˈiː] (IPA)
Correct spelling for the English word "cstv" is [sˌiːˌɛstˌiːvˈiː], [sˌiːˌɛstˌiːvˈiː], [s_ˌiː__ˌɛ_s_t_ˌiː_v_ˈiː] (IPA phonetic alphabet).