Vocabulary consisting only from characters you are able to read
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
人体
じんたい
human body; personal appearance, looks; personal appearance, looksmix
後
あと
afterwards, since then, in the futurejlpt5, toki