The affix ñya comes in the sense of 'this is his native-land' after the words śaṇḍika etc.,
This debars अण् &c. Thus शाण्डिक्यः, सार्वसेन्यः &c.
1 शण्डिक, 2 सर्वसेन, 3 सर्वकेश, 4 शक, 5 शट, (सट), 6 रक, 7 शङ्ख, 8 बोध.,
शण्दिक-आदिभ्यो ञ्यः
Adhyāya 4 · Pāda 3 · Rule 92