Shiva Purana
स त्वं कथय शुंभाय निशुंभाय वचो मम ॥ यथा युक्तं भवेदेवं विदधातु तथाऽत्र सः ॥ ४२ ॥
Hence you convey my words to Śumbha and Niśumbha. Let either do whatever is proper in this matter.
english translation
sa tvaM kathaya zuMbhAya nizuMbhAya vaco mama ॥ yathA yuktaM bhavedevaM vidadhAtu tathA'tra saH ॥ 42 ॥
hk transliteration by Sanscript