buta Mamá buta buta
bota Mamá bota bota
v n:prop n v
buta mamá buta buta .
β u t a WORD_BOUNDARY m a m a WORD_BOUNDARY β u t a WORD_BOUNDARY β u t a WORD_BOUNDARY
b u t a WORD_BOUNDARY m a m á WORD_BOUNDARY b u t a WORD_BOUNDARY b u t a WORD_BOUNDARY . WORD_BOUNDARY