爬 爬 爬 aa4
paa4 paa4 paa4 aa4
v v v sfp
爬 爬 爬 aa4 ?
pʰ aː ˨˩ WORD_BOUNDARY pʰ aː ˨˩ WORD_BOUNDARY pʰ aː ˨˩ WORD_BOUNDARY aː ˨˩ WORD_BOUNDARY
爬 WORD_BOUNDARY 爬 WORD_BOUNDARY 爬 WORD_BOUNDARY a a 4 WORD_BOUNDARY