ni, nichi, bi

hi, ni

used for day; sun

usually used for japan (nihon) or sunday (nichiyoubi) 

hon, moto

book; basis (orgin)

also used for japan (nihon) and Mr. kawamoto

jin, hito, nin

person

Japanese people (nihonjin) alone (hitoride) and counting people: three people (san nin) 

gestu, gatsu, tsuki

moon, month (ichigastu) , also used for monday (getsuyoobi)

ka hi

fire also used for tuesday (kayoobi) 

sui, mizu

water, also used for wednesday (suiyoobi) 

moku, ki

tree (ki), also used for thursday (mokuyoobi) 

kin, kane

gold, money (kane), also used for friday (kinyoobi) 

do, tsuchi

soil (tsuchi), also used for saturday (doyoobi) 

yoo

weekday

like monday, tuesday etc. (getsuyoobi, kayoobi)

ue, joo

top/above, and also used for good/skillful at (joozu na) 

shita/ ka

under (the book says it can also be used for bad at (heta na) it would be the he

naka, chuu, juu

inside (naka), China (chuugoku), junior high school (chuugaku), all year round (ichinen juu) 

han

half, 1:30 (ichi ji han)