Vocabulary consisting only from characters you are able to read
思いつく
おもいつく
to think of, to hit upon, to come into one's mind, to be struck with an ideagodan, jlpt3, verb
石
こく
(1)measure of volume (approx. 180.39 liters, 6.37 cub. ft.)/ (2)measure of a Japanese-style boat's loading capacity (approx. 278.26 liters)/(P) leda1