lei3 lei3 lei3 lei3
lei3 lei3 lei3 lei3
co co co co
lei3 lei3 lei3 lei3 .
l ei˧ WORD_BOUNDARY l ei˧ WORD_BOUNDARY l ei˧ WORD_BOUNDARY l ei˧ WORD_BOUNDARY
l e i 3 WORD_BOUNDARY l e i 3 WORD_BOUNDARY l e i 3 WORD_BOUNDARY l e i 3 WORD_BOUNDARY . WORD_BOUNDARY