Select the option that represents the correct word split / combination (Sandhi-Vicched) for:
"सूक्ति" (Sukti)

The word 'सूक्ति' is formed through Dirgha Swar Sandhi:
$$\text{सु (su)}+\text{उक्ति (ukti)}=\text{सूक्ति (Sukti)}$$

Here, the short vowel $u$ combining with another short vowel $u$ transforms into the long vowel $\bar{u}$ ($u+u=\bar{u}$).