Vocabulary consisting only from characters you are able to read
十億
džuuoku
1,000,000,000, billion (American), (obs) milliard (British)mix
億
oku
(num) 100,000,000, hundred millionjlpt4
足りる
tariru
(1)to be sufficient/to be enough/ (2)to be worth doing/to be worthy/ (3)to be sufficient/to answer/to do/(P) ichidan, jlpt3, verb, vintrans
兆し
kizaši
signs, omen, symptomsmix
南北
nanboku
south and northmix