trra trra trra trae corre corre corre
trra trra trra trae corre corre corre .
t r r a WORD_BOUNDARY t r r a WORD_BOUNDARY t r r a WORD_BOUNDARY t r a e WORD_BOUNDARY t s o r r e WORD_BOUNDARY t s o r r e WORD_BOUNDARY t s o r r e WORD_BOUNDARY
t r r a WORD_BOUNDARY t r r a WORD_BOUNDARY t r r a WORD_BOUNDARY t r a e WORD_BOUNDARY c o r r e WORD_BOUNDARY c o r r e WORD_BOUNDARY c o r r e WORD_BOUNDARY