Vocabulary consisting only from characters you are able to read
僕
boku
I (used by men with close acquaintances)jlpt4
中
naka
inside, middle, amongjlpt5
来日
rainiči
arrival in Japan, coming to Japan, visit to Japanmix
耳にする
miminisuru
to hear, to hear by chance, to hear by accident, to catch (the sound)suru