Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
二階 にかい second flooruchi
十七 じゅうなな 17math
日本 にっぽん Japannamae
六つ むっつ sixjlpt5
2階 2かい (1)storey/story/floor/(n) (2)stairs/(n,n-suf) (3)stage (in chronostratigraphy)/(ctr) (4)counter for storeys and floors of a building/(P); stairs; (n) stairs mix