dua+dua dua+dua Dek
dua dua dua dua dek .
d u a WORD_BOUNDARY d u a WORD_BOUNDARY d u a WORD_BOUNDARY d u a WORD_BOUNDARY d ə k WORD_BOUNDARY
d u a WORD_BOUNDARY d u a WORD_BOUNDARY d u a WORD_BOUNDARY d u a WORD_BOUNDARY d e k WORD_BOUNDARY . WORD_BOUNDARY