Vocabulary consisting only from characters you are able to read
やり取り
jaritori
giving and taking/exchange (of letters)/arguing back and forth/(conversational) exchange/(P)jlpt3, suru
思いつく
omoicuku
to think of, to hit upon, to come into one's mind, to be struck with an ideagodan, jlpt3, verb
前線
zensen
front line, (weather) frontmix