啊 嗯 嗯 嗯 嗯
a1 en1 en1 en1 en1
sfp co co co co
啊 嗯 嗯 嗯 嗯 .
a˥ WORD_BOUNDARY ə˥ n WORD_BOUNDARY ə˥ n WORD_BOUNDARY ə˥ n WORD_BOUNDARY ə˥ n WORD_BOUNDARY 
啊 WORD_BOUNDARY 嗯 WORD_BOUNDARY 嗯 WORD_BOUNDARY 嗯 WORD_BOUNDARY 嗯 WORD_BOUNDARY