a_ver busca al perrin
a ver busca al perrin .
a WORD_BOUNDARY β e̞ ɾ WORD_BOUNDARY β u s k a WORD_BOUNDARY a l WORD_BOUNDARY p e̞ r i n WORD_BOUNDARY
a WORD_BOUNDARY v e r WORD_BOUNDARY b u s c a WORD_BOUNDARY a l WORD_BOUNDARY p e r r i n WORD_BOUNDARY . WORD_BOUNDARY