buh buuuuh buh buuuh buh
buh buuuuh buh buuuh buh .
b u WORD_BOUNDARY b o o u o WORD_BOUNDARY b u WORD_BOUNDARY b o u o WORD_BOUNDARY b u WORD_BOUNDARY
b u h WORD_BOUNDARY b u u u u h WORD_BOUNDARY b u h WORD_BOUNDARY b u u u h WORD_BOUNDARY b u h WORD_BOUNDARY . WORD_BOUNDARY