ah ben ah ben ah ben
ah ben ah ben ah ben
co co co co co co
ah ben ah ben ah ben .
a WORD_BOUNDARY b ɛ n WORD_BOUNDARY a WORD_BOUNDARY b ɛ n WORD_BOUNDARY a WORD_BOUNDARY b ɛ n WORD_BOUNDARY
a h WORD_BOUNDARY b e n WORD_BOUNDARY a h WORD_BOUNDARY b e n WORD_BOUNDARY a h WORD_BOUNDARY b e n WORD_BOUNDARY