エ Katakana "E" or KOU, KU - artisan, skill, work
カ Katakana "Ka" or The "Chikara" radical - power
ク Katakana "Ku" or the "Tsutsumigamae" radical - to wrap
コ Katakana "Ko"
チ Katakana "Chi" or The "Kan" radical - to dry, shield
ナ Katakana "Na"
ニ Katakana "Ni" or NI, futa(tsu), futa - two
ル Katakana "Ru" or The "Hitoashi" radical - human legs
ロ Katakana "Ro" or KOU, kuchi - mouth
Arrange them like this:
ロニチ
ナナ
エ
睡 SUI - sleep
ク
ロコカ
ル
勉 BEN - effort, hard work