pen wa penshiru desho
pen wa penshiru da
n ptl:top n v:cop
pen wa penshiru desho .
p e n WORD_BOUNDARY w a WORD_BOUNDARY p e n ʃ i r ɯ WORD_BOUNDARY d e ʃ o WORD_BOUNDARY
p e n WORD_BOUNDARY w a WORD_BOUNDARY p e n s h i r u WORD_BOUNDARY d e s h o WORD_BOUNDARY