Vocabulary consisting only from characters you are able to read
kanji
なのか
seven days, the seventh day of the month
kanji
じゅうおく
1,000,000,000, billion (American), (obs) milliard (British)
kanji
ひゃく
(num) 100, hundred
kanji
おとうとさん
younger brother
kanji
にちぎん
(abbr) Bank of Japan, BOJ, BoJ
kanji
みどりのひ
(n) Greenery Day (national holiday; May 4)
kanji
おもな
chief, main, principal, important
kanji
おとうさん
(polite) father
kanji
~がつ
month (of the year)