Vocabulary consisting only from characters you are able to read
十億
džuuoku
1,000,000,000, billion (American), (obs) milliard (British)mix
主に
omoni
mainly, primarilymix
一兆
iččou
1,000,000,000,000, one trillion, one billion (obs. British)mix
鼠
nezumi
(1)mouse, rat, (2)dark gray, dark grey, slate (color, colour); (3)mouse, rat, (4)dark gray, dark grey, slate (color, colour) doubutsu
昨今
sakkon
nowadays, recently; nowadays, recentlytoki
三日
mikka
three days, the third day of the monthjlpt5, toki
列
recu
queue/line/row/column/sequence/string/train/(P)jlpt3, ryokou