Vocabulary consisting only from characters you are able to read
入口
iriguči
entrance, gate, approach, mouthjlpt5
二人
futari
two persons, two people, pair, couplejlpt5
一口
hitokuči
(1)mouthful, bite, sip, draft, draught, (2)one word mix
人
hito
man, person, human being, mankindhito, jlpt5