Vocabulary consisting only from characters you are able to read
山
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen
二人
ふたり
two persons, two people, pair, couplejlpt5
入口
いりぐち
entrance, gate, approach, mouthjlpt5
一口
ひとくち
(1)mouthful, bite, sip, draft, draught, (2)one word mix