How Do You Spell SISSU?
Pronunciation: [sˈɪsuː] (IPA) 
The spelling of "sissu" can be confusing because it is not a commonly used word in English. However, it can be spelled phonetically as /sɪsuː/. The first syllable "sis" is pronounced with a short "i" sound, followed by a long "s" sound. The second syllable "su" is pronounced with a long "u" sound. This word may be related to the Finnish word "sisu", which refers to a stoic determination or resilience in the face of adversity.
