Vocabulary consisting only from characters you are able to read
外力
がいりょく
external forcemix
七日
なのか
seven days, the seventh day of the monthjlpt5, toki
下る
くだる
(1)to descend, to go down, to come down, (2)to be handed down (of an order, judgment, etc.), (3)to pass (of time), (4)to surrender, to capitulate, (5)(often in neg. form) to be less than, to be i godan, jlpt3, verb, vintrans