Pronunciation: [ˈɛkspən ˌɛksˈɛn] (IPA)
Correct spelling for the English word "EXPN XN" is [ˈɛkspən ˌɛksˈɛn], [ˈɛkspən ˌɛksˈɛn], [ˈɛ_k_s_p_ə_n ˌɛ_k_s_ˈɛ_n] (IPA phonetic alphabet).
Correct spelling for EXPN XN