hai arigato hai arigato
hai arigato hai arigato .
h a i WORD_BOUNDARY a r i g a t o WORD_BOUNDARY h a i WORD_BOUNDARY a r i g a t o WORD_BOUNDARY
h a i WORD_BOUNDARY a r i g a t o WORD_BOUNDARY h a i WORD_BOUNDARY a r i g a t o WORD_BOUNDARY