Vocabulary consisting only from characters you are able to read
二人
futari
two persons, two people, pair, couplejlpt5
中
naka
inside, middle, amongjlpt5
人
hito
man, person, human being, mankindhito, jlpt5
火力
karyoku
heating power, steam powermix
一口
hitokuchi
(1)mouthful, bite, sip, draft, draught, (2)one word mix