Vocabulary consisting only from characters you are able to read
人
hito
man, person, human being, mankindhito, jlpt5
山
jama
mountain, pile, heap, climax, critical pointjlpt5, shizen
入口
iriguči
entrance, gate, approach, mouthjlpt5
一口
hitokuči
(1)mouthful, bite, sip, draft, draught, (2)one word mix
二人
futari
two persons, two people, pair, couplejlpt5