Vocabulary consisting only from characters you are able to read
一口
hitokuči
(1)mouthful, bite, sip, draft, draught, (2)one word mix
入口
iriguči
entrance, gate, approach, mouthjlpt5
分の
bunno
denominator bun no numerator (in writing common fractions), X Yth's (Y bun no X)jlpt3, math