but1 but1 but1 but1
but1 but1
on on
but1 but1 but1 but1 .
p u˥ t̚ WORD_BOUNDARY p u˥ t̚ WORD_BOUNDARY
b u t 1 WORD_BOUNDARY b u t 1 WORD_BOUNDARY b u t 1 WORD_BOUNDARY b u t 1 WORD_BOUNDARY . WORD_BOUNDARY