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
二人
futari
two persons, two people, pair, couplejlpt5
主な
omona
chief, main, principal, importantmix
土日
donichi
weekend, Saturday and Sundaymix
一兆
icchou
1,000,000,000,000, one trillion, one billion (obs. British)mix
九日
kokonoka
nine days, the ninth day (of the month)jlpt5, toki
百京
hyakukyou
kvadrilionmix