Answer:
イ Katakana "I" or The "Hito" radical - person
シ Katakana "Shi" or The "Sanzui" radical - water
チ Katakana "Chi"
ナ Katakana "Na"
ハ Katakana "Ha" or HACHI, ya(ttsu), ya(tsu), ya, yo - eight
ミ Katakana "Mi"
ヨ Katakana "Yo"
Arrange them like this: チハイナミ シヨヨイナミ
稚 CHI - child
濯 TAKU - wash, rinse