koko ga oyayubi de
koko ga de
n:deic:dem ptl:case ptl:post
koko ga oyayubi de .
k o k o WORD_BOUNDARY g a WORD_BOUNDARY o j a j ɯ b i WORD_BOUNDARY d e WORD_BOUNDARY
k o k o WORD_BOUNDARY g a WORD_BOUNDARY o y a y u b i WORD_BOUNDARY d e WORD_BOUNDARY