Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 2 · War Astrology: Yogas, Nakshatras
युद्धजयार्णवः (योगाः नक्षत्राणि)
ओऔअंअः,ङञणना मो वर्गः पञ्चमो भवेत् ।वर्णाश्चाभ्युदये नॄणां चत्वारिंशच्च पञ्च च ॥ १९ ॥
In the full Agni Purana this is chapter 125, verse 19.
The fifth group is o, au, am, ah, nga, nya, Na, na and ma. These forty-five letters are for people's rise.
Simple meaning: The fifth letter group is named here. All the groups together have forty-five letters.
बालः कुमारो युवा स्याद्वृद्धो मृत्युश्च नामतः ।
These are the names of the five life stages and of four other states.
मृत्युर्मघा द्वितीया ज्ञो लाभश्चाऽऽर्द्रा च सप्तमी ।
Some mixes of Mercury, moon days and stars bring death or gain.
जीवो लाभाय च भवेत्तृतीया पूर्वफल्गुनी ।
Jupiter with certain moon days and nakshatras is for gain.