Re: Transmission, Inheritance, Emulation 10
Sho Chiku Bai is also mentioned by Saito Morihiro in his Traditional Aikido.
"Ken has three characters called Sho (Pine), Chiku (Bamboo) and Bai (Plum). These characteres are independent of each other and yet are linked up together to produce variations, the basic form of which is Kumi Tachi (Matching Exercise)."
Vol 5, pg. 22.