vale enseñame a sumar
vale enseñame a sumar .
b a l e WORD_BOUNDARY e n s e ɲ a m e WORD_BOUNDARY a WORD_BOUNDARY s u m a ɾ WORD_BOUNDARY
v a l e WORD_BOUNDARY e n s e ñ a m e WORD_BOUNDARY a WORD_BOUNDARY s u m a r WORD_BOUNDARY