亀甲 きっこう獣骨 じゅうこつ文字 もじでしょう
kikkōjūko tsumojideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 亀甲獣骨文字

1. Probably osteomancy.; Probably divining with tortoise shells.

Polite
Presumptive
Conjecture