i2 jaa3 m 字 aa1
i2 jaa3 m zi6 aa1
co co n:let n sfp
i2 jaa3 m 字 aa1 .
i˨˥ WORD_BOUNDARY j a˧ WORD_BOUNDARY  WORD_BOUNDARY ts i˨ WORD_BOUNDARY a˥ WORD_BOUNDARY
i 2 WORD_BOUNDARY j a a 3 WORD_BOUNDARY m WORD_BOUNDARY 字 WORD_BOUNDARY a a 1 WORD_BOUNDARY . WORD_BOUNDARY