The word "tesna" is spelled phonetically as /ˈtɛsnə/. The first syllable "te" is pronounced with a short "e" sound and the "s" is pronounced as a voiceless alveolar sibilant. The second syllable "sna" is pronounced with a short "a" sound and the "n" is pronounced as a voiced alveolar nasal. The overall pronunciation of "tesna" is tesh-nuh. While it may appear as a challenging word to spell initially, mastering the basic phonetic rules can help simplify it.