Vocabulary consisting only from characters you are able to read
国内
kokunai
domestic, internalmix
工夫
kufuu
(1)scheme, device, scheming, devising, figuring out, coming up with, solving ingeniously, (2)dedication to spiritual improvement (esp. through Zen meditation); (sens) labourer, laborer, blue-collar suru
一気
ikki
(abbr) drink! (said repeatedly as a party cheer)mix