Vocabulary consisting only from characters you are able to read
大流行
dairjuukou
extremely popular/extremely common/widespread contagionmix
山形県
jamagataken
Yamagata prefecture (Touhoku area)namae
最大
saidai
greatest, largest, maximummix
上り
nobori
(1)ascent, climbing, ascending (path), climb, (2)up-train (e.g. going to Tokyo), (n,adj-no) (3)northward (towards Tokyo) jlpt3