Related Clues:

• Is 22 down over them as a rule?
• Not small C's, by the sound of them
• See how huge they sound
• Sounds as if one might get to grips with the waters
• The sound of the bees precedes them
• By the sound of them, sees they're not small
• They follow the bees, by the sound of them, but never land (4)
• Seize them to a large extent, by the sound of it
• Big C's?
• Sees a lot, by the sound of them
• Oceans' relatives
• Vast waterways
• Seven things for a sailor
• Arabian and Caspian
• Their arms are wet