Vocabulary consisting only from characters you are able to read
億
おく
(num) 100,000,000, hundred millionjlpt4
~回
~かい
(first, second, etc.) time, roundjlpt5
回る
まわる
(1)to turn/to revolve/ (2)to visit several places/ (3)to function well/ (4)to pass a certain time/(P) godan, verb, vintrans
一兆
いっちょう
1,000,000,000,000, one trillion, one billion (obs. British)mix
大小
だいしょう
(1)sizes (various), large and small, (2)daisho (matched pair of long and short swords), (3)large and small drums, (4)long months and short months mix
五分五分
ごぶごぶ
as likely as not, 50-50, even match, tiemix