éstos son los escalones
éstos son los escalones .
e s̺ t̪ o s̺ WORD_BOUNDARY s̺ o n WORD_BOUNDARY l o s̺ WORD_BOUNDARY e s̺ k a l o n e s̺ WORD_BOUNDARY
é s t o s WORD_BOUNDARY s o n WORD_BOUNDARY l o s WORD_BOUNDARY e s c a l o n e s WORD_BOUNDARY . WORD_BOUNDARY