"Theni" is spelled phonetically as /ˈθɛni/. The "th" sound at the beginning of the word is represented by the digraph "th," which makes a dental fricative sound. The "e" in "Theni" is pronounced as a short vowel, while the "n" and "i" sounds are both represented by their respective letters. It is important to use correct spelling when communicating, as it helps to ensure that the intended meaning of the message is accurately conveyed.