aa1 dut1 dut1 dut1
aa1 dut1 dut1 dut1
fil on on on
aa1 dut1 dut1 dut1 .
a˥ WORD_BOUNDARY t u˥ t̚ WORD_BOUNDARY t u˥ t̚ WORD_BOUNDARY t u˥ t̚ WORD_BOUNDARY
a a 1 WORD_BOUNDARY d u t 1 WORD_BOUNDARY d u t 1 WORD_BOUNDARY d u t 1 WORD_BOUNDARY . WORD_BOUNDARY