Vocabulary consisting only from characters you are able to read
億
oku
(num) 100,000,000, hundred millionjlpt4
色々
iroiro
(1)various, (2)(arch) various colors (colours) mix
何分
nanpun
how many minutestoki
一兆
iččou
1,000,000,000,000, one trillion, one billion (obs. British)mix
二十日
hacuka
twenty days, twentieth day of the monthjlpt5, toki