Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
四つ よっつ fourjlpt5
ろく (num) sixjlpt5
九九 くく násobilkaleda1, math
一兆 いっちょう 1,000,000,000,000, one trillion, one billion (obs. British)mix
とお 10, tenjlpt5