Vocabulary consisting only from characters you are able to read
主な
omona
chief, main, principal, importantmix
八日
youka
eight days, the eighth (day of the month)jlpt5, toki
三日
mikka
three days, the third day of the monthjlpt5, toki
年金
nenkin
annuity, pensionmix
一京
ichikyou
deset trilionůmix
一兆
icchou
1,000,000,000,000, one trillion, one billion (obs. British)mix