Vocabulary consisting only from characters you are able to read
人
hito
man, person, human being, mankindhito, jlpt5
火力
karyoku
heating power, steam powermix
二日
futsuka
second day of the month, two daysjlpt5, toki
二人
futari
two persons, two people, pair, couplejlpt5
水力
suiryoku
hydraulic power, water powermix