Answer:
コ Katakana "Ko"
ト Katakana "To" or The "Boku" radical - oracle
ナ Katakana "Na"
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:
ナトコトコ
ハノノノノ
棚 tana - shelf