cinco horas de estudio
cinco horas de estudio ?
θ i n k o WORD_BOUNDARY o ɾ a s WORD_BOUNDARY ð e WORD_BOUNDARY e s t u ð j o WORD_BOUNDARY
c i n c o WORD_BOUNDARY h o r a s WORD_BOUNDARY d e WORD_BOUNDARY e s t u d i o WORD_BOUNDARY