Vocabulary consisting only from characters you are able to read
羽音
haoto
(1)sound of flapping wings (of a bird)/ (2)buzz/hum (of an insect) leda1
無色
mušoku
colourless, colorless, achromaticiro
歯石
šiseki
dental calculus (calcified deposits that accumulate on the teeth), tartar (of the teeth)mix