飞 飞 飞 是不是
fei1 fei1 fei1 shi4bu2shi4
v:resc v:resc v:resc co:int
飞 飞 飞 是不是 ?
f ei̯˥ WORD_BOUNDARY f ei̯˥ WORD_BOUNDARY f ei̯˥ WORD_BOUNDARY ʂ ɻ̩˥˩ p u˧˥ ʂ ɻ̩˥˩ WORD_BOUNDARY 
飞 WORD_BOUNDARY 飞 WORD_BOUNDARY 飞 WORD_BOUNDARY 是 不 是 WORD_BOUNDARY