Vocabulary consisting only from characters you are able to read
兆
chou
(1)sign, omen, indication, portent, (num) (2)10^12, 1,000,000,000,000, trillion (American), (obs) billion (British) mix
五日
itsuka
five days, the fifth day (of the month)jlpt5, toki
百
hyaku
(num) 100, hundredjlpt5
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
玉ねぎ
tamanegi
onion (edible plant, Allium cepa)mix
億
oku
(num) 100,000,000, hundred millionjlpt4