बौधायन श्रौतसूत्रम् (कृष्ण यजुर्वेद तैत्तिरीय शाखा - सम्पूर्ण प्रश्न एवं श्रौत-याग कल्प सटीक)

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There is a vertical bar after 'न', and two flags on top: that's 'नौ'!
Wait, or is it 'नै'? Let's compare with 'प्रातः' before it.
In 'प्रातः instead of प्राक् L; सवनौयेभ्यो L Be.' - wait, look at 'नौ' vs 'नै':
Wait, compare with 'योनिरग्निश्च' (यो has one stem and one flag).
Here there is one stem and two flags: that is definitely 'ौ' (au)!
Wait, could it be "सवनीयेभ्यो"?
Ah! "सवनीयेभ्यो"!
Wait, does it have an 'ी' (ee-mātrā) with an accent or is it 'ौ'?
Look closely at "सवनौयेभ्यो":
It is स, व, न, ी (dirgha ee mātrā!), and then what is on top of ी?
Wait! In "सवनीयेभ्यो" - the 'ी' mātrā goes to the right of 'न'. Above the mātrā, there are two slants? No, it's 'ौ'! No, wait: "स व नौ ये भ्यो" - why would it be सवनौयेभ्यो? It's nonsensical. What about "सवनीयेभ्यो" (savanīyebhyo)? Savanīya is a very common Vedic word (सवनीय)! "सवनीयेभ्यो"!
Wait, why would it look