un besito a mamá un besito
un besito a mamá un besito .
u m WORD_BOUNDARY b e s i t o WORD_BOUNDARY a WORD_BOUNDARY m a m a WORD_BOUNDARY u m WORD_BOUNDARY b e s i t o WORD_BOUNDARY
u n WORD_BOUNDARY b e s i t o WORD_BOUNDARY a WORD_BOUNDARY m a m á WORD_BOUNDARY u n WORD_BOUNDARY b e s i t o WORD_BOUNDARY