我 是 妈妈 嘛
wo3 shi4 ma1 ma
pro:per v:cop n:relat sfp
我 是 妈妈 嘛 .
w o ˧˩˧ WORD_BOUNDARY ʂ ɻ̩ ˥˩ WORD_BOUNDARY m a ˥ WORD_BOUNDARY m a WORD_BOUNDARY 
我 WORD_BOUNDARY 是 WORD_BOUNDARY 妈 妈 WORD_BOUNDARY 嘛 WORD_BOUNDARY