(random order)
Hai = yes / true
Iie = no / untrue
Konnichiwa = Good Afternoon
sou ka = I see
no = 's (i.e belonging to eg Karu's Book = Karu no hon)
ka = ? (ie Is this Karu's book? = Karu no hon desu ka"
Nan / nani = What
sama = respecful suffix
chan = (suffix i.e Name-chan. a child / someone immature / someone cute
baka = Idiot
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Also some more info:
Nihon = Japan
Nihon-jin = Japanese people
Nihon-go = Japanese Language
Amerika = USA (yes you can use -jin and -go with this)
Igirisu = England
Chuugoku = China (yes you can use -jin and -go with this)
Konbanwa = Good Evening
Ohayou Gozaimausu = Good Morning (O Hi Yo Goz Zai Maus
Ohayou = Morning (informal)
Moshi moshi = hello (usually for telephone)
Goodnight = Oyusumi Nassai (O Yas su mi nais sigh)
Goodbye = Sayoonara (Sa yore na ra)
Goodbye = Shiturei Shimasu (lit. excuse my leaving) (Sit tu ray she maus)
See you later = Ja ne / Ja Mata
(name)-Kun = suffix (used when talking to boys / or tomboyish girls )
(name)-San = suffix (useful when ever another doesn't apply, or you're not re)
Hajimemashite (Ha Je me mash te)
= Nice to meet you (non lit.)
Yoroshiku Onegai Shimasu /Douzo Yoroshiku (Your rosh ku)
=pleased to meet you (lit. please treat me kindly)
Onegai = Please (On ne gai)
Arigatou = Thankyou (A ri ga toe)
Sumimasen = Excuse me / Sorry (Sa me mas sen)
Gomen (nasai) = (very) Sorry
Warui = bad (people, actions)
mazui = bad (taste, situations)
Kirai = Hate (Key ray)
Kowai = Scary
Sugoi = Amazing
Kakko(u) ii = Cool
Kawaii = Cute
Kirei = Pretty (Key ray ee ?)
ii / yoi = good
gomen nassai if my translations are incorrect / incorrectly spelt
Thanks to Paul & Nagi for spelling corrections for the romaji. I tend to spell it how i pronounce it
This is just what i've picked up in the 7 months i've been teaching myself, off and on.