Shiva Purana
सदाशिवस्समष्टिस्स्यादाकाशधिपतिः प्रभुः ॥ अस्यैव व्यष्टितापन्नम्महेशादिचतुष्टयम् ॥ २ ॥
Sadāśiva the lord of ether is the composite. The set of four, Maheśa etc. is the individualistic form.
english translation
sadAzivassamaSTissyAdAkAzadhipatiH prabhuH ॥ asyaiva vyaSTitApannammahezAdicatuSTayam ॥ 2 ॥
hk transliteration by Sanscript