Pronunciation: [kjˌuːˌɛnˈɛsˌɛsˈɛs] (IPA)
Correct spelling for the English word "QNSSS" is [kjˌuːˌɛnˈɛsˌɛsˈɛs], [kjˌuːˌɛnˈɛsˌɛsˈɛs], [k_j_ˌuː_ˌɛ_n_ˈɛ_s_ˌɛ_s_ˈɛ_s] (IPA phonetic alphabet).
Correct spelling for QNSSS