Kirby 'Karuto' cards! It's a Japanese card game with rules I'm not exactly sure on! This was the only bunch with some nifty art, and each has different hiragana- one of the sets of Japanese characters. Cute, eh?

	A	I	E	U	O
	a -	i -	e -	u -	o-
K	ka-	ki-	ke-	ku-	ko-
S	sa-	shi-	se-	su-	so-
T	ta-	chi-	te-	tsu/tu-	to-
N	na-	ni-	ne-	nu-	no-
H	ha-	hi-	he-	hu/fu-	ho-
M	ma-	mi-	me-	mu-	mo-
R	ra-	ri-	re-	ru-	ro-
Y	ya-	-	-	yu-	yo-
W	wa-	-	-	-	wo-