a Arichan to Arichanmama
a arichan to arichanmama .
a WORD_BOUNDARY a r i t̠ʃ a n WORD_BOUNDARY t o WORD_BOUNDARY a r i t̠ʃ a n m a m a WORD_BOUNDARY
a WORD_BOUNDARY a r i c h a n WORD_BOUNDARY t o WORD_BOUNDARY a r i c h a n m a m a WORD_BOUNDARY