bunder bunder bunder bunder bunder
bunder bunder bunder bunder bunder .
b u n d ə r WORD_BOUNDARY b u n d ə r WORD_BOUNDARY b u n d ə r WORD_BOUNDARY b u n d ə r WORD_BOUNDARY b u n d ə r WORD_BOUNDARY
b u n d e r WORD_BOUNDARY b u n d e r WORD_BOUNDARY b u n d e r WORD_BOUNDARY b u n d e r WORD_BOUNDARY b u n d e r WORD_BOUNDARY . WORD_BOUNDARY