Shiva Purana
परलोकस्य पाथेयं मोक्षोपायमनामयम् ॥ पुण्यसंघैकनिलयं शिव इत्यक्षरद्वयम् ॥ ५१ ॥
The two syllables “Śiva” constitute the packet of flooding for the journey to the other world; it is the means of salvation, free from worries and is the abode of all merits.
english translation
paralokasya pAtheyaM mokSopAyamanAmayam ॥ puNyasaMghaikanilayaM ziva ityakSaradvayam ॥ 51 ॥
hk transliteration by Sanscript