kiba ga aru kara
kiba ga ar kara
n ptl:case v:ir ptl:conj
kiba ga aru kara .
k i b a WORD_BOUNDARY g a WORD_BOUNDARY a r ɯ WORD_BOUNDARY k a r a WORD_BOUNDARY
k i b a WORD_BOUNDARY g a WORD_BOUNDARY a r u WORD_BOUNDARY k a r a WORD_BOUNDARY