what letter stands for "ocean"?

What letter stands for \'\'ocean\'\' what letter stands for "ocean"? What letter stands for the ocean? What letter stands for the ocean?什么意思 What letter stands for sea? What letter stands for sea?(谜语） 谜语What letter stands for sea? what letter stand for the ocean? 英语谜语：What letter stands for sea?紧急 “What letter stands for sea?”的中文意思 What does LOMO stands for? what does NBA stands for?