Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
四十 yonjuu 40math
nana 7jlpt5
四つ yottsu fourjlpt5
too 10, tenjlpt5
shi (num) fourjlpt5, mix
san (num) threejlpt5, mix
juu (num) 10, tenjlpt5
go (num) fivejlpt5
ni (num) twojlpt5
shichi (num) sevenjlpt5