Here is a phrase file to print out with all introduced phrases and some more that you might find useful:

Saying yes or no
	So desu ne. Yes, indeed.
	Saa do deshou. Hmm, I wonder.
	Mada chotto wakarimasen. Still not sure yet.
	Ie, kekko desu. No I'm fine, thank you.
	Hai, arigato gozaimasu. Yes, thank you.
Apologies
	Gomen nasai. Please forgive me.
	Sumimasen. There is no end to my apologies/thanks.
	Shitsurei shimashita. I have committed an impoliteness.
Socialising
	Hajimemashite. Pleased to meet you.
	Sumimasen. Excuse me, both as an apology and a way of getting someone's attention.
	Ogenki desu ka. How are you?
	Konnichiwa. Watashi wa .... desu. Hello. My name is ...
	Ja mata! See you soon!
	Kanpai! Cheers!
Football chants
	Saa ikoo ze! Come on!
	Saa ike! Come on!
	Gambare! Do your best!
Other useful words
	Byooin Hospital
	Otearai Toilet
	Deguchi Exit
	Tasukete! Help!