噢 我 是 妈妈
ou4 wo3 shi4 ma1
co pro:per v:cop n:relat
噢 我 是 妈妈 .
ou̯ ˥˩ WORD_BOUNDARY w o ˧˩˧ WORD_BOUNDARY ʂ ɻ̩ ˥˩ WORD_BOUNDARY m a ˥ WORD_BOUNDARY 
噢 WORD_BOUNDARY 我 WORD_BOUNDARY 是 WORD_BOUNDARY 妈 妈 WORD_BOUNDARY