tabun=probablyI'm addicted to Naruto then.
Hai=yes
nani=what
kitsune=fox
and more...
iyaa= no
nande, nasee= Why
utskushi= beautiful
nee-san= sister
ni-san= brother
tou-san= father
ka-san= mother
hajimemaste= nice to meet you
oyasmi= goodnight
sayonara= farewell
watashi. boku ha, orewa= I/me
omai, teme = you
chikushou= damn
urusay= shut up
kawaii= cute
baaka= stupid
aho= idiot
sora= sky
tsukareta= tired
moi= enough
yamero/yamette= stop it
nigero/nigette= run
ningen= human
otoko= man
honna= woman
ich, ni, san, yon, go, ruk, nana, hachi, kyuu, juu= 1 - 10
these are the ones that popped into my head.. I know a few more.