Vocabulary consisting only from characters you are able to read
開発
kaihatsu
development, exploitationsuru
無効
mukou
invalid, no effect, unavailable, illegalmix
直に
jikani
(uk) directly, in person, headlong; immediately, readily, directlymix
意
i
(1)feelings, thoughts, (2)meaning mix
八日
youka
eight days, the eighth (day of the month)jlpt5, toki