Vocabulary consisting only from characters you are able to read
2階
2kai
(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
十日
tooka
ten days, the tenth day of the monthjlpt5, toki
~階
~kai
(first, second, etc.) floor, story, gradejlpt5