Vocabulary consisting only from characters you are able to read
三線
sanshin
(1)Okinawan traditional three-stringed instrument; precursor to the shamisen; (2)shamisen mix
十五夜
juugoya
night of the full moon/the night of the 15th day of the 8th lunar monthleda1
山
yama
mountain, pile, heap, climax, critical pointjlpt5, shizen
切線
sessen
tangent (in trigonometry)mix