ei1 hello 洗 頭 aa4
ei1 hello sai2 tau4 aa4
co co v n sfp
ei1 hello 洗 頭 aa4 ?
e˥ j WORD_BOUNDARY  WORD_BOUNDARY s ɐ˨ j˥ WORD_BOUNDARY tʰ ɐ˧˩̰ w WORD_BOUNDARY a˧˩̰ WORD_BOUNDARY
e i 1 WORD_BOUNDARY h e l l o WORD_BOUNDARY 洗 WORD_BOUNDARY 頭 WORD_BOUNDARY a a 4 WORD_BOUNDARY ? WORD_BOUNDARY