nani no ehon ga ii no
nani no ehon ga ii no ?
n a n i WORD_BOUNDARY n o WORD_BOUNDARY e h o n WORD_BOUNDARY g a WORD_BOUNDARY i i WORD_BOUNDARY n o WORD_BOUNDARY
n a n i WORD_BOUNDARY n o WORD_BOUNDARY e h o n WORD_BOUNDARY g a WORD_BOUNDARY i i WORD_BOUNDARY n o WORD_BOUNDARY