Answer:
コ Katakana "Ko"
シ Katakana "Shi" or The "Sanzui" radical - water
ト Katakana "To" or The "Boku" radical - oracle
ナ Katakana "Na"
ノ Katakana "No" or The "No" radical - diagonal sweeping stroke
ロ Katakana "Ro" or KOU, kuchi - mouth
Arrange them like this:
シナトコ
ロノノ
湖 KO, mizuumi - lake