Orkhon alphabet/Labials

Old Turkic

	b	bʲ	p	up	m
Orkhon				—
Irq bitig
Yenisei

Potential sources

Aramaic

/p/	/b/	/w/	/m/

Hebrew

colspan="2"! /p/	/b/~/β/	/w/	colspan="2"! /m/
פ	ף	ב	ו	מ	ם

Latin

/p/	/b/	/f/	/v/	/m/
P	B	F	V	M

Greek

/p/		/b/		/pʰ/		/ps/		/m/
Π	π	Β	β	Φ	φ	Ψ	ψ	Μ	μ

Brahmi

b	bʰ	p	pʰ	v	m

Kharosthi

b	bʰ	p	pʰ	v	m