The rest of the words that end in short i and u are ghi with the exception of the word sakhi,
This defines the word ghi. The peculiarity of the declension of ghi words will be treated later on. The word hrasva is understood in this sutra. The word sesha or 'the rest' implies 'the words ending in short इ or उ which are not the names of females, or if they are feminine names, they are not nadi words.'
As अग्नि fire. Before case affixes having an indicatory n, the ghi nouns gunate there vowel 7.3.111. As अग्नि + ङे = अग्ने + ए = अग्नये to the fire. So also वायु + ङे = वायवे to the wind. But the declension of sakhi in these cases is :- सख्या सख्ये सख्यु and सख्यौ.,