Pronunciation: [pˌiːtˌiːˈɛsˌɛsˈɛs] (IPA)
Correct spelling for the English word "ptsss" is [pˌiːtˌiːˈɛsˌɛsˈɛs], [pˌiːtˌiːˈɛsˌɛsˈɛs], [p_ˌiː_t_ˌiː__ˈɛ_s_ˌɛ_s_ˈɛ_s] (IPA phonetic alphabet).
Correct spelling for ptsss