ナ Katakana "Na"
ニ Katakana "Ni" or NI, futa(tsu), futa - two
ノ Katakana "No" or The "No" radical - diagonal sweeping stroke
ハ Katakana "Ha" or HACHI, ya(ttsu), ya(tsu), ya, yo - eight
Arrange them like this:
ニナニナ
ハ
ニ
ノ
琴 KIN, koto - koto, Japanese zither