Vocabulary consisting only from characters you are able to read
下る
kudaru
(1)to descend, to go down, to come down, (2)to be handed down (of an order, judgment, etc.), (3)to pass (of time), (4)to surrender, to capitulate, (5)(often in neg. form) to be less than, to be i godan, jlpt3, verb, vintrans
小ちゃい
čiičai
small (babytalk form)adj
上る
noboru
(1)to rise, to go up, to come up, to ascend, to be raised, (2)to enter (esp. from outdoors), to come in, to go in, (3)to enter (a school), to advance to the next grade, (4)to get out (of water), t godan, jlpt3, verb, vintrans
大小
daišou
(1)sizes (various), large and small, (2)daisho (matched pair of long and short swords), (3)large and small drums, (4)long months and short months mix
入口
iriguči
entrance, gate, approach, mouthjlpt5